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Articles on Pfizer vaccine

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Vaccinated people are wondering whether they can ease social distancing and mask-wearing. AP Photo/Darko Bandic

Can vaccinated people still spread the coronavirus?

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.
Patients with overweight or obesity issues make up more than 70% of the U.S. population. Peter Dazeley via Getty Images

Will the COVID-19 vaccine work as well in patients with obesity?

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.
Establishing public trust is now central to any decisions regarding the inoculation of our child population. (Shutterstock)

Should children get the COVID-19 vaccine?

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. THE CANADIAN PRESS/Nathan Denette

COVID-19 vaccine rollout: Why a mask and social distancing are still needed, even if you get the shot

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. Paul Hennessy/NurPhoto via Getty Images

Americans have unrealistic expectations for a COVID-19 vaccine

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. Octavio Jones via Getty Images

Vaccine delays reveal unexpected weak link in supply chains: A shortage of workers

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.
Sandra Lindsay, left, a nurse at Long Island Jewish Medical Center, is inoculated with the COVID-19 vaccine by Dr. Michelle Chester. Mark Lennihan/Pool via Getty Images

If I have allergies, should I get the coronavirus vaccine? An expert answers this and other questions

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. Philippe Raimbault/Photodisc via Getty Images

The top scientific breakthrough for 2020 was understanding SARS-CoV-2 and how it causes COVID-19 – and then developing multiple vaccines

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. Morry Gash/Pool/AFP via Getty Images

The coronavirus vaccine: A doctor answers 5 questions

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. (Shutterstock)

Can a pharma company change? Profit, not altruism, motivates COVID-19 vaccine development

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.
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. (Yui Mok/Pool Photo via AP)

Which age group — old or young — should get the COVID-19 vaccine first may depend on timing

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.

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