President Joe Biden tested positive for COVID-19 on July 21, 2022, but was reportedly feeling well enough to work and take calls, as seen in this photo released by the White House.
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According to a letter from Biden’s doctor, the president has a runny nose, mild fatigue and a slight cough. The letter also noted that Biden began taking an antiviral drug the morning he tested positive.
About 8 million U.S. children have received two shots of COVID-19 vaccine and are now eligible for a third.
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The COVID-19 vaccines continue to be effective against severe illness leading to hospitalization and death in all age groups, including children ages 5 to 11.
Dozens of coronavirus vaccines are in clinical trials in the U.S.
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Existing coronavirus vaccines are not as effective against newer variants of the virus. Two vaccine experts explain how new vaccines currently in development will likely offer better protection.
Our study found a better way to treat eye problems in Indigenous communities – and some key considerations for undertaking culturally safe clinical trials.
The majority of drug failures are attributed to lack of clinical efficacy and high toxicity.
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Drug development is a long and costly process that often ends in failure. Improving the way potential drug candidates are optimized could help boost success rates.
COVID-19 vaccines and treatments aren’t societal silver bullets when health disparities persist.
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Vaccines and medical treatments can only go so far in an unequal society. Facing the ongoing history of racial discrimination and bias in the US would help end the pandemic.
Understanding how much protection a vaccine offers is not as simple as it sounds.
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For a number of reasons, as time goes on vaccines become less effective. So how do researchers calculate how well vaccines are working?
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Emotive claims, like COVID vaccination being unethical or coercive, are more likely to be shared on social media. But we can fight back.
Nearly 80% of participants in FDA-reviewed research trials live in foreign countries.
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Regulatory loopholes for research conducted off US soil allow for questionable trials and misleading data to slip under the FDA’s radar.
A new study suggests the market alone will not deter or punish pharmaceutical companies whose products turn out to have adverse effects after they have been approved.
The path to using old drugs for COVID is full of potholes. So why are we using the same old flawed methods when we actually know what works?
People getting vaccinated may still have questions about COVID-19 vaccines, like why it takes two doses — and then two weeks — to take full effect.
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A medical student answers questions he gets asked at a COVID-19 vaccine clinic: Efficacy versus real-world effectiveness, immune response and how the mRNA vaccines compare to vaccines already in wide use.
FDA approval of Pfizer’s COVID-19 vaccine may boost vaccination rates among those who have been hesitant to get the shot.
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The U.S. FDA has approved the first COVID-19 vaccine. How is approval different from emergency use authorization, and what difference will it make to a vaccine that’s already in global use?
Potential benefits of human genome editing include new ways to diagnose, treat and prevent genetic disorders. But there’s a significant gap in regulation.
Full FDA approval of the COVID-19 vaccines may help people feel more secure in its safety and effectiveness.
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While emergency use authorization gets vaccines out to the public more quickly, it doesn’t skip any steps that full approval requires.
Vaccine efficacy statistics are often based on the results of randomized controlled trials.
Vaccine efficacy is usually expressed as a percentage, but what is it actually measuring? Statisticians explain what the numbers mean, and what they say about how well a vaccine can protect us.
Crystal jellyfish contain glowing proteins that scientists repurpose for an endless array of studies.
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Three pioneering technologies have forever altered how researchers do their work and promise to revolutionize medicine, from correcting genetic disorders to treating degenerative brain diseases.
What kind of vaccine is Sputnik V, how does it work, and what data are we missing?
Investigations have led to the withdrawal of a study backing ivermectin to treat COVID-19. But that’s not the last time we’ll hear about this controversial drug.
Information on COVID-19 vaccines for pregnant or breastfeeding individuals has been inconsistent and hard to find.
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Exclusion from clinical trials, lack of data and inconsistent information made it difficult for pregnant and breastfeeding people to make decisions about COVID-19 vaccines early in the rollout.