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2 experts describe how our COVID-19 antibodies adapt over time, creating an 'arms race' between our immune systems and virus variants

US Army nurse administers COVID-19 vaccine at Fort Meade in Maryland. US Army photo A virologist and immunologist say our immune systems can adapt to COVID-19 and fight emerging variants. They describe how antibodies evolve over time to recognize more variants and bind tighter to the virus. Boosters, or three-dose vaccines, could amplify these more potent antibodies, one professor said. See more stories on Insider's business page. The coronavirus that causes COVID-19 is mutating and ch...
Tags: Health, Science, News, Trends, Healthcare, US Army, Centers For Disease Control And Prevention, Booster, Rockefeller University, Fort Meade, Immunity, Wherry, John Wherry, Coronavirus, COVID-19, COVID


Unvaccinated Americans abroad will need a COVID-19 test within 24 hours of flying home from November, rather than the current 3 days, the White House said

A health care worker tests a traveller at a COVID-19 testing station at LAX airport. Allen J. Schaben / Los Angeles Times via Getty Images Unvaccinated Americans abroad will need a negative COVID-19 test within a day of their return flight from November. They will also need to buy a "viral test" to take when back in the US, the White House said. Currently, returning Americans need a test within 72 hours of flying, regardless of vaccination status. See more stories on Insider's busine...
Tags: Health, Europe, UK, Science, News, Cdc, White House, US, Trends, United States, Healthcare, Qantas, Biden, Test, Anthony Fauci, Lax


70% of fully vaccinated prisoners caught COVID-19 in a Texas Delta outbreak, the CDC says - but vaccines protected against severe disease

A nurse filling a syringe with a COVID-19 vaccine. A CDC study of an outbreak in a Texas prison in July suggested that vaccines protected against severe illness. Photo by Sergio Flores/Getty Images About 70% of fully vaccinated people in a Texas prison caught COVID-19 in an outbreak, the CDC said. The data suggests that while Delta can spread among vaccinated people, vaccines protect against severe COVID-19. Of the unvaccinated prisoners, 93% caught COVID-19, and one died, the CDC said. Se...
Tags: Health, Texas, Science, News, Prison, Cdc, US, Trends, Healthcare, Pfizer, Centers For Disease Control And Prevention, Federal Bureau of Prisons, Coronavirus, COVID, Sergio Flores Getty, Catherine Schuster Bruce


70% of fully vaccinated prisoners caught COVID-19 in a Texas Delta outbreak, the CDC says - but the vaccine protected against severe disease

A nurse fills up a syringe with the Moderna COVID-19 vaccine at a vaccination site at a senior center on March 29, 2021 in San Antonio, Texas Photo by Sergio Flores/Getty Images About 70% of fully vaccinated prisoners caught COVID-19 at a Texas prison outbreak, the CDC said. The data suggests Delta can spread among vaccinated people but that vaccines protect against severe COVID-19. 93% of unvaccinated prisoners caught COVID-19, and one died, the data showed. See more stories on Insider&#...
Tags: Texas, Cdc, US, Trends, Delta, Pfizer, Federal Bureau of Prisons, San Antonio Texas, Centers for Disease Control and Prevention CDC, COVID, Sergio Flores Getty, Catherine Schuster Bruce, Texas Delta, CDC Another CDC


Apple is researching whether its iPhone could help detect depression, a report says

Apple CEO Tim Cook. Apple Apple is researching whether data from its iPhone could help detect depression, the WSJ reported. Scientists are studying sleep and typing data to try to detect patterns linked to health conditions, per the report. The project is early stage and may not lead to new features, sources said. See more stories on Insider's business page. Apple wants to know whether its devices could help detect depression early, according to a report from The Wall Street Journal.It...
Tags: Iphone, Apple, Science, News, US, Trends, Healthcare, Dementia, Duke, Journal, WSJ, Ucla, Duke University, Biogen, University of California Los Angeles UCLA, Seabreeze


A COVID-19 booster shot that could protect against multiple variants at once is being tested in humans for the first time

A person receives the Moderna COVID-19 vaccine at the East Boston Neighborhood Health Center (EBNHC) in Boston, Massachusetts on December 24, 2020. Joseph Prezioso / AFP via Getty Images A COVID-19 booster shot that may protect against multiple variants is being tested in humans. It uses new vaccine technology that self-replicates once injected in the muscle. The vaccine may need a lower dose than existing shots, potentially reducing side effects. See more stories on Insider's busine...
Tags: Health, Science, News, US, Trends, Healthcare, Food And Drug Administration, Pfizer, Booster, Afp, Boston Massachusetts, University of Manchester, Andrew Allen, Andrew Clarke, US National Institute of Health, Moderna


Period changes after COVID-19 vaccines were reported 27,000 times in 9 months, but experts say you should still get a shot

A person is given a COVID-19 vaccine by UK NHS staff during the first day of the Cornwall Pride LGBTQ+ festival on August 27, 2021 in Newquay, England. Hugh Hastings/Getty Images The UK's medicines regulatory agency got 27,199 reports of menstrual-cycle changes after COVID-19 shots. An OB-GYN said pandemic-related stress could have caused some of these changes. People trying to get pregnant should get vaccinated or risk getting "seriously ill," another doctor said. See more stories on ...
Tags: Health, UK, Science, News, Trends, NHS, Healthcare, Vaccine, Period, British Medical Journal, University of Edinburgh, Imperial College London, OB GYN, Maybin, Royal College of Obstetricians, MHRA


Moderna says a study showed falling COVID-19 immunity over time and a need for boosters - even though most 'breakthrough' infections weren't severe

University of Miami Miller School of Medicine lab tech Sendy Puerto processes blood samples from study participants in the specimen processing lab, Wednesday, Sept. 2, 2020 in Miami. The volunteers are taking part in testing the NIH funded Moderna COVID-19 vaccine. Taimy Alvarez/AP Moderna said people vaccinated in 2020 caught COVID-19 more often than those vaccinated this year. This suggested immunity from its COVID-19 shot waned over time, and provided evidence for a booster dose, it sai...
Tags: Health, Science, News, US, Trends, Healthcare, Delta, World Health Organization, Miami, Fda, Pfizer, Vaccine, Biden, Nih, Booster, Reuters


400,000 people are infected each year with coronaviruses carried by bats, an early study suggests. Researchers say the data could help prevent future pandemics.

A team of researchers set up a net to catch bats at the Khao Chong Pran Cave on September 12, 2020 in Ratchaburi, Thailand during a mission to understand the coronavirus's origins. Lauren DeCicca/Getty Coronaviruses from bats could infect 407,422 people each year, a study said. The findings could help target areas for surveillance and stop human virus outbreaks, they said. About 478 million people live in regions where the bats are, the researchers said. See more stories on Insider...
Tags: Health, Science, News, China, US, Trends, Bloomberg, Healthcare, Myanmar, Bat, Holmes, University of Sydney, US National Institutes of Health, Pandemic, Lauren DeCicca Getty, Coronavirus


Getting fully vaccinated massively reduces your chance of dying from COVID-19, a new real-world study suggests

A NHS vaccinator prepares to administer the Moderna Covid-19 vaccine to a member of public at a vaccination centre in London. Dinendra Haria/SOPA Images/LightRocket via Getty Images COVID-19 accounted for 0.8% of deaths among fully vaccinated people in England, data shows. In unvaccinated people, COVID-19 accounted for 37% of deaths in the same period. The data is more evidence that vaccines significantly reduce the chance of dying from COVID-19. See more stories on Insider's business ...
Tags: UK, England, London, US, Trends, NHS, Delta, Ons, Open University, Office for National Statistics ONS, Kevin McConway, Dinendra Haria SOPA Images LightRocket, Science Media Center, COVID, Moderna COVID, Catherine Schuster Bruce


18 leading scientists, including 2 outgoing FDA officials, say COVID-19 booster shots lack evidence and shouldn't yet be given to the general public

A health workers is seen as Israelis receive the third doses of coronavirus (Covid-19) vaccines at Shaare Zedek Medical Center in West Jerusalem on September 03, 2021. Mostafa Alkharouf/Anadolu Agency via Getty Images Eighteen leading experts said "widespread use" of COVID-19 vaccine boosters isn't backed by evidence. The group included two FDA officials who resigned over the Biden administration's booster shot plan. Current COVID-19 vaccines still protect against severe illness ca...
Tags: Health, Science, News, US, Trends, Colombia, Healthcare, Delta, Food And Drug Administration, Who, World Health Organization, Fda, Pfizer, Biden, Lancet, Booster


A Georgia hospital that's stretched beyond capacity with COVID-19 patients has asked for help from firefighters and the sheriff's office

Emergency room nurse David Wilson receives a dose of the Pfizer-BioNTech COVID-19 vaccine as Georgia Governor Brian Kemp, right, looks on outside the Chatham County Health Department on December 15, 2020 in Savannah, Georgia. Sean Rayford/Getty Images Firefighters could soon help out at AdventHealth Gordon, a hospital in Georgia stretched by COVID-19. The county administrator said the hospital was over capacity and had asked him for help. Firefighters or other helpers could restock medical...
Tags: News, Cdc, US, Trends, Georgia, Hospital, Healthcare, Centers for Disease Control and Prevention CDC, Ledbetter, David Wilson, Savannah Georgia, Brian Kemp, Sean Rayford Getty, Gordon County Georgia, Gordon County, Chattanooga Free Press


How much protection COVID-19 vaccines give you against the Delta variant, according to the best available data

A nurse at the Royal Cornwall Hospital prepares to administer a COVID-19 vaccine in Truro, United Kingdom. Hugh Hastings/Getty Images The Delta variant is the most common cause of new COVID-19 infections in the US, the UK, and elsewhere. Six studies suggest vaccines from Pfizer, Moderna, and AstraZeneca work against Delta, to varying degrees. These studies cover both symptomatic and asymptomatic COVID-19 infections. See more stories on Insider's business page. The highly-infectious Del...
Tags: Health, UK, Science, Australia, Scotland, Israel, US, Trends, Qatar, Healthcare, Delta, Astrazeneca, Pfizer, Public Health England, Lancet, Variant


The Australian island state of Tasmania, with zero COVID-19 cases, is mandating masks for big outdoor events

Fans arrive for the 2021 AFL First Elimination Final match between the Western Bulldogs and the Essendon Bombers at University of Tasmania Stadium on August 29, 2021 in Launceston, Australia. Grant Viney/AFL Photos via Getty Images Tasmania, an Australian state with zero current COVID-19 cases, has introduced a new mask mandate. People at indoor or outdoor events of more than 1,000 people will need a mask from September 18. Officials said it was a "common sense" way to stop an infected per...
Tags: Health, Science, News, Australia, Masks, US, Trends, Public Health, Healthcare, New South Wales, Sydney, Tasmania, AFL, Western Bulldogs, Department Of Health, Johns Hopkins University


The WHO says rich countries should hold off booster shots until every nation has vaccinated 10% of its population. These 43 countries are short of that mark.

People wait in long lines and for hours to be vaccinated against COVID-19 with the Sputnik V vaccine at the Manolo Morales Hospital in Managua, on September 4, 2021. STR / AFP The WHO wants all countries to have vaccine rates of more than 10% by the end of September. It has called for rich countries to hold off booster shots until then, and prioritize vaccines abroad. Here are the 43 countries that have fully vaccinated less than 10% of their population. See more stories on Insider's b...
Tags: Health, Science, News, Iraq, Nigeria, US, Trends, Senegal, Syria, Ukraine, Taiwan, Uganda, Afghanistan, Egypt, Sierra Leone, Pakistan


Pfizer picked a COVID-19 vaccine dose far lower than Moderna's to minimize side effects, its top scientist says

Actor Ian McKellen receives the Pfizer-BioNTech COVID-19 vaccine in London on Dec. 16. Jeff Moore/Handout via Reuters Pfizer's top scientist said the company chose a relatively low vaccine dose to minimize side effects. Pfizer's vaccine has 30 micrograms of mRNA, the active ingredient. Moderna's has 100 micrograms. Both vaccines produce similar side effects, according to the CDC. See more stories on Insider's business page. Pfizer's top scientist has defended the dose o...
Tags: Health, Science, London, News, Cdc, US, Trends, Canada, Healthcare, Astrazeneca, Pfizer, Vaccine, Oxford University, University Of Virginia, Ian Mckellen, Financial Times


COVID-19 cases were 4 times higher this Labor Day weekend than last year, as Delta continues to surge across the US

A person walks by a LabQ Covid-19 testing van on the Upper West Side over Labor Day Weekend on September 06, 2021 in New York City. Noam Galai/Getty Images The US recorded four times as many COVID-19 cases in the run up to Labor Day than in the same period last year. On Sunday, average new daily cases were at 163,728, compared to 41,488 on the same day in 2020. The highly infectious Delta variant continues to spread around the country. See more stories on Insider's business page. The U...
Tags: Health, Science, News, Mississippi, Cdc, US, Trends, Healthcare, Delta, Cbs, Labor Day, Pfizer, Oxford University, Houston, Upper West Side, Mayo Clinic


New Zealand's deputy prime minister warns 'the job is not yet done' as country records lowest number of new COVID-19 cases in 12 days

A person undergoes a swab test at the Pages Road drive through COVID-19 Testing Centre on August 21, 2021 in Christchurch, New Zealand. Kai Schwoerer/Getty Images New Zealand recorded 28 new COVID-19 cases on Friday - the fewest for 12 days. Deputy Prime Minister Grant Robertson said it was "encouraging", but the "job is not yet done." The country locked down August 17 after a single case. The outbreak total is now 764. See more stories on Insider's business page. New Zealand's de...
Tags: Health, Science, News, Trends, Healthcare, Delta, New Zealand, Guardian, Oxford University, Wellington, Michael, New Zealanders, Grant Robertson, Auckland New Zealand, Johns Hopkins University, Lockdown


Fully vaccinated people are almost twice as likely to have no symptoms than unvaccinated people if they catch COVID-19, a study suggests

A volunteer hands out vaccination information at a pop-up vaccination center in Halifax, England on July 31, 2021. Ian Forsyth/Getty Images Fully vaccinated people who caught COVID-19 were twice as likely to get no symptoms, a study found. But most vaccinated people in the study didn't catch COVID-19. Study authors said vaccinated people who interacted with vulnerable people should get regular tests. See more stories on Insider's business page. Fully vaccinated people that catch C...
Tags: UK, London, Cdc, US, Trends, Delta, Astrazeneca, Pfizer, King s College, The Lancet Infectious Diseases, Sara Oliver, Johns Hopkins University Read, Claire Steves, Pfizer Moderna, Catherine Schuster Bruce, Halifax England


New Zealand's COVID-19 'elimination' strategy appears to be working as cases fall for 3 consecutive days

New Zealand Prime Minister Jacinda Ardern. Getty Images News New Zealand reported 49 new daily COVID-19 cases on Tuesday, marking three days of decline. Experts suggested the decline in cases showed that the country's latest outbreak was being contained. The country locked down on August 17 after it detected a single COVID-19 case assumed to be Delta. See more stories on Insider's business page. The number of people in New Zealand newly infected with COVID-19 has dropped for a thir...
Tags: Health, News, Trends, Healthcare, Delta, New Zealand, Wellington, Auckland, Plank, Scripps Research Institute, Auckland New Zealand, Michael Baker, University of Otago New Zealand, Eric Topol, Jacinda Ardern, Ardern


New Zealand has extended its strict lockdown again as it tackles a Delta outbreak causing 70 new cases a day

New Zealand's Prime Minister Jacinda Ardern speaks with media on February 14, 2021 in Wellington, New Zealand Mark Tantrum/Getty Images New Zealand has extended its strict lockdown by another four days as Delta continues to spread. The country locked down on August 17 after it detected a single case that officials assumed was Delta. Now, an outbreak has caused 347 cases. See more stories on Insider's business page. New Zealand has extended its strict lockdown for a second time to t...
Tags: Health, Science, News, Trends, Healthcare, Delta, New Zealand, Auckland, Auckland New Zealand, Johns Hopkins University, Jacinda Ardern, Ardern, Coronavirus, COVID, Catherine Schuster Bruce


Getting sick with the Delta variant doubles hospitalization risk compared with Alpha, a large study of mostly unvaccinated people shows

Clinicians work on intubating a COVID-19 patient. Mario Tama/Getty Images The Delta variant doubled the risk of hospitalization compared to the formerly-dominant Alpha variant. About 74% of people in the UK-based study were unvaccinated, and few were fully vaccinated. The study authors said it was "crucial" to get people fully vaccinated to protect against Delta. See more stories on Insider's business page. People who get sick with the Delta variant of the novel coronavirus have more t...
Tags: UK, Scotland, Trends, Delta, Alpha, University of Exeter, Lancet Infectious Diseases, Mario Tama Getty, Science Media Centre, COVID, Catherine Schuster Bruce, David Strain, Anne Presanis, Cambridge University and Public Health England


Australia's largest state hits record-high COVID-19 cases despite weeks of strict lockdown. 'It's a tinderbox ready to explode,' one official said.

A health worker takes a swab sample at a Covid-19 drive-through testing site in western Sydney on August 7, 2021 SAEED KHAN/AFP via Getty Images Australia's largest state has record numbers of new COVID-19 cases despite weeks in lockdown. New South Wales recorded 1,029 new infections on Wednesday, driven by the Delta variant. Health officials extended lockdown on Thursday. An official called it a "tinderbox ready to explode." See more stories on Insider's business page. Australia&#...
Tags: Health, Science, News, Australia, Trends, Healthcare, Delta, New South Wales, Sydney, Bondi Beach, State, Johns Hopkins University, John Barilaro, Centers for Disease Control and Prevention Read, Coronavirus, Catherine Schuster Bruce


J&J says a booster shot of its one-dose COVID-19 vaccine raises antibody levels, and could be given after 8 months

Nurse Elizabeth Johnson administers a COVID-19 vaccine to Melissa Mendez in Reading, Pennsylvania. Ben Hasty/MediaNews Group/Reading Eagle/Getty Images A second shot of Johnson & Johnson's single-dose vaccine boosted antibodies in lab study. The company said a booster shot could be given eight months after the original vaccine. J&J will now submit the data to the Food and Drug Administration, it said. See more stories on Insider's business page. An extra dose of Johnson & Johnson&#...
Tags: Health, Science, News, White House, Boston, US, Trends, Pennsylvania, New York Times, Healthcare, Food And Drug Administration, Vaccine, Centers For Disease Control And Prevention, Booster, Johnson & Johnson, Beth Israel Deaconess Medical Center


The Pfizer vaccine's full name is Comirnaty - a hectic mashup of COVID-19, community, immunity, and mRNA

A health worker seen holding a vial containing the Cominarty vaccine in Porto, Portugal April 17 2021 Teresa Nunes/SOPA Images/LightRocket via Getty Images Pfizer and BioNTech's COVID-19 vaccine got full FDA approval on Monday. Its name, Cominarty, is a mash-up of community, immunity, mRNA, and COVID-19. The branding company behind the name explained exactly how it came up with it. See more stories on Insider's business page. Pfizer and BioNTech's COVID-19 vaccine got full Food...
Tags: Science, News, White House, US, Trends, Healthcare, Food And Drug Administration, Fda, Pfizer, Vaccine, Seattle, Trademark Office, European Medicines Agency, Porto Portugal, BioNtech, Coronavirus


Fully vaccinated people who catch COVID-19 appear to be less infectious and clear the virus quicker than unvaccinated people, early research suggests

A healthcare worker in the Netherlands is given the Pfizer-BioNTech vaccine on January 6. Piroschka van de Wouw/Pool via AP Fully vaccinated people who get COVID-19 may be less infectious than unvaccinated people, a study suggests. Scientists looked at 161 "breakthrough" infections in 24,706 health workers, mostly caused by Delta. Vaccinated people cleared the virus quicker than unvaccinated people, they said. See more stories on Insider's business page. Fully vaccinated people who cat...
Tags: Science, News, Singapore, Trends, Ap, Healthcare, Netherlands, Delta, Vaccine, Rotterdam, Johnson Johnson, Erasmus Medical Center, Moderna, Coronavirus, COVID, Catherine Schuster Bruce


New Zealand locked down after a single COVID-19 case. Now 148 people are infected, and experts are worried

New Zealand Prime Minister Jacinda Ardern. Mark Mitchell - Pool/Getty Images New Zealand has extended a national lockdown that was triggered by a single COVID-19 case. The outbreak has now led to 148 cases. An official said the Delta variant raised "big questions" about the country's COVID-19 "elimination" plan. See more stories on Insider's business page. New Zealand has extended its national lockdown by at least four days as it tries to contain the highly infectious Delta variant...
Tags: Health, News, Trends, Healthcare, Delta, New Zealand, Oxford University, Auckland, Sydney Australia, Bloomfield, Jacinda Ardern, Ashley Bloomfield, Ardern, Hipkins, Chris Hipkins, Auckland Ardern


New Zealand locked down after a single COVID-19 case. Now 148 people are infected, and experts are worried about the country's containment strategy.

New Zealand Prime Minister Jacinda Ardern. Mark Mitchell - Pool/Getty Images New Zealand has extended a national lockdown that was triggered by a single COVID-19 case. The outbreak has now led to 148 cases. An official said the Delta variant raised "big questions" about the country's COVID-19 "elimination" plan. See more stories on Insider's business page. New Zealand has extended its national lockdown by at least four days as it tries to contain the highly infectious Delta variant...
Tags: Health, News, Trends, Healthcare, Delta, New Zealand, Oxford University, Auckland, Sydney Australia, Bloomfield, Jacinda Ardern, Ashley Bloomfield, Ardern, Hipkins, Chris Hipkins, Auckland Ardern


Vaccines give good protection against Delta, and fully vaccinated people with a previous COVID-19 infection are the best-protected group, real-world data shows

A man receives a dose of the Pfizer vaccine at an NHS Covid-19 vaccination centre hosted at the nightclub Heaven on August 8, 2021 in London, England. Hollie Adams/Getty Images Double-vaccinated people who had COVID-19 previously are the group best protected against Delta, data shows. Regardless of previous infection, two shots of Pfizer or AstraZeneca offer good protection against Delta. Two doses were always better than one, the researchers said. See more stories on Insider's busines...
Tags: Health, UK, Science, London, News, Trends, Healthcare, Oxford, Delta, Astrazeneca, Pfizer, Vaccine, Sarah Walker, Moderna, Coronavirus, COVID


Fully vaccinated people get good protection against Delta, and double-vaccinated people with a previous COVID-19 infection are the best-protected group, real-world data shows

A man receives a dose of the Pfizer vaccine at an NHS Covid-19 vaccination centre hosted at the nightclub Heaven on August 8, 2021 in London, England. Hollie Adams/Getty Images Double-vaccinated people who had COVID-19 previously are the group best protected against Delta, data shows. Regardless of previous infection, two shots of Pfizer or AstraZeneca offer good protection against Delta. Two doses were always better than one, the researchers said. See more stories on Insider's busines...
Tags: Health, UK, Science, London, News, Trends, Healthcare, Oxford, Delta, Astrazeneca, Pfizer, Vaccine, Sarah Walker, Moderna, Coronavirus, COVID