Vaccinated people are wondering whether they can ease social distancing and mask-wearing.
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You've been vaccinated; can you now safely see your friends and family? New research hints that vaccinated people may be less likely to transmit the coronavirus, but they are not 100% in the clear.
The clock starts ticking once the vaccine leaves the freezer. Here's what to expect.
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Over 130 million doses have already been administered worldwide. It's early days, but the signs are promising in places like Israel and the UK.
Patients with overweight or obesity issues make up more than 70% of the U.S. population.
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Americans with excess weight and obesity have been hit hard by COVID-19. Now there is reason to believe they may not get the same protection from the vaccines.
Believe it or not, this little guy has inspired new scientific thought about the COVID-19 vaccine.
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Vaccine hesitancy will not go away fast. In fact, there are parallels in the physical world to how quickly or slowly an object returns to its normal state.
A recommendation from a German vaccine advisory body not to give the AstraZeneca vaccine to people aged over 65 has caused concern. But we should interpret this advice with caution.
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Tensions run high as EU vaccine deliveries fall behind schedule, while new vaccines are being created to handle mutant viral strains.
A pharmacy manager at CVS Health in Massachusetts prepares to administer vaccines at a veterans center.
Two pharmacists involved in COVID-19 vaccine preparation explain the role pharmacists are poised to play in expanding vaccine access.
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Perhaps you've heard mRNA vaccines cause autoimmune disease, or connect you to the internet. Now the Pfizer vaccine has been approved in Australia, it's important we iron out these misconceptions.
Establishing public trust is now central to any decisions regarding the inoculation of our child population.
Historically, we immunized children against diseases like polio that were a clear danger to them, but COVID-19 is usually mild in children. However, herd immunity is unlikely without vaccinating kids.
Health-care workers wait in line at a COVID-19 vaccine clinic in Toronto on Jan. 7, 2021.
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Rollout of COVID-19 vaccines has begun. But getting the jab doesn't mean abandoning masks, distancing and handwashing. Here's why the current preventive measures must continue post-vaccine.
If too many Americans refuse to take the COVID-19 vaccine, achieving population immunity will be difficult.
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Two in five Americans say they don't want a COVID-19 vaccine, which is a problem. Finding out what Americans do want from a vaccine might help.
Seniors in Fort Myers, Fla. wait for their COVID-19 vaccinations. At this site, 800 doses of vaccine were available.
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The shipment of goods to suppliers has become technologically sophisticated. Delays in getting out the COVID-19 vaccine to people show that the breakdowns come down to something more basic.
Australia's expedited plan to start dishing out COVID jabs in mid-late February will call for NASA-like logistical organisation. And ideally, no more clusters of infections to distract frontline workers.
Sandra Lindsay, left, a nurse at Long Island Jewish Medical Center, is inoculated with the COVID-19 vaccine by Dr. Michelle Chester.
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A serious allergic reaction was reported in a health care worker in Alaska after she received the COVID-19 vaccine. Does this mean that people with allergies need to be concerned? An expert answers.
The number one scientific breakthrough for 2020: multiple vaccines to prevent COVID-19.
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The development of multiple vaccines against the virus that causes COVID-19 has been hailed as the breakthrough of 2020. But there were many more supporting discoveries that made this possible.
Workers prepare to ship the Pfizer COVID-19 vaccine from the company’s manufacturing plant in Kalamazoo, Michigan.
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As the coronavirus rages, a vaccine finally is available for certain groups of people and will soon be ready for other groups. But there are plenty of questions. A doctor answers five here.
The pharmaceutical industry opposes the suspension of intellectual property rights on COVID-19 vaccines and treatments, and no pharma companies have yet contributed to the COVID-19 Technology Access Pool.
We should applaud drug companies for developing COVID-19 vaccines in record time, but let’s not be under any illusion about the profits that are motivating them.
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Reports of two UK health workers having allergic reactions after receiving Pfizer's COVID vaccine have led to safety warnings for others at risk of anaphylaxis.
A nurse at the Royal Free Hospital in London simulates the administration of the Pfizer vaccine on Dec. 4, 2020 to support staff training ahead of the rollout in the United Kingdom.
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If supplies of COVID-19 vaccine are initially limited, who should be vaccinated first? A mathematical model shows when and why it’s best to start with the young, and when older people should go first.