The race to develop vaccine candidates to prevent COVID-19 represents an unprecedented national and global effort. President Trump and some public health experts say encouraging early results from Pfizer and Moderna suggest the approach is working. But there are also questions about the risks of ramping up vaccine research and development at this scale and […]
How a COVID vaccine might work — and the challenges of distributing it
As drug companies around the world rush to develop candidates for coronavirus vaccines, Pfizer announced encouraging early data from its own trials Monday. What do the preliminary results show, and even if they are borne out, what challenges remain with regard to production and distribution of the vaccine? Science correspondent Miles O’ Brien joins William […]
What we know about the search for a COVID-19 vaccine — and what we don’t
The question of when a COVID-19 vaccine might be available is perhaps the most pressing in the world. There have been a number of recent headlines on this front, including early but encouraging results from trials. And on Wednesday, the Trump administration awarded a contract to Pfizer and a German biotech firm to potentially deliver […]
How doctors are innovating to treat COVID-19
One of the reasons COVID-19 presents such a significant global medical challenge is that there are few effective therapies for it so far. As cases fill hospital beds across many parts of the country, doctors and scientists are coming up with inventive ways to treat the disease, if not to cure it. PBS NewsHour science […]
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