vaccines

The drive-thru flu vaccination centre, in Darlington

Vacunas En San Antonio: ¿Quién, Cuándo Y Dónde?

TPR News

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El Distrito de Salud Metropolitano de San Antonio continúa trabajando con agencias estatales y locales para distribuir vacunas COVID-19 a poblaciones críticas. A continuación, se incluyen algunas respuestas a preguntas comunes:

President Trump on Wednesday contradicted the CDC's timeline of a COVID-19 vaccine, promising that one would be available for widespread distribution by the end of the year.

Science & Technology

Contradicting The CDC, Trump Says COVID-19 Vaccine Could Be Ready By End Of Year

Brian Naylor

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President Trump says there could be widespread distribution of a vaccine against the coronavirus in a much shorter timeline than described by the CDC.

A scientist at work on a COVID-19 vaccine candidate at Bogazici University in Istanbul in August.

Science & Technology

How Can You Tell If A COVID-19 Vaccine Is Working?

Joe Palca

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Several COVID-19 vaccine candidates are being tested now. But why does it take 30,000 volunteers to know if one is safe and effective? And what does it mean to say a vaccine candidate is working?

FDA Commissioner Stephen Hahn (left), Vice President Mike Pence, and Dr. Ella Grach, CEO of Wake Research, at the NC Biotechnology Center in July, where Phase 3 trials for a coronavirus vaccine candidate are underway.

Science & Technology

COVID-19 Vaccine May Pit Science Against Politics

Joe Palca

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New vaccines usually take years to get the approval of the Food and Drug Administration. But the Trump administration suggests the FDA may greenlight a coronavirus vaccine by the end of the year.

A laboratory technician is seen the Inselspital Universitaetsspital Bern university hospital during researches for a vaccine against the coronavirus disease (COVID-19) in Bern, Switzerland April 22, 2020.

Bioscience-Medicine

The COVID-19 Vaccine: Inside America’s Race For An Answer

Bonnie Petrie

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On this week’s Petrie Dish, we dive into the COVID-19 vaccine. First we answer: what is a vaccine? We've all gotten them, but have you ever wondered how…

Jess Baddams, paramedic, works with an antibody testing program, in Birmingham, England. Researchers have been investigating how long antibodies to the coronavirus last in people who have recovered from infections.

Science & Technology

How Long Will Immunity To The Coronavirus Last?

Richard Harris

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Recent studies have raised fears that immunity to the coronavirus might be fleeting, thus making potential vaccines ineffective. The reality of the science is more complex — and more reassuring.

The agreement also would allow the federal government to acquire an additional 500 million doses of the Pfizer vaccine.

U.S. To Get 100 Million Doses of Pfizer Coronavirus Vaccine In $1.95 Billion Deal

Sydney Lupkin

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If the company's vaccine candidate pans out, Americans can receive it for free under the deal. The arrangement is part of the U.S. government's push to have a vaccine widely available by January.