As vaccination rates go up and hospitalizations go down, there is finally reason for optimism in ending the covid-19 pandemic. But variants of SARS-CoV-2 could substantially impede our progress. Scientists are rushing to study whether antibodies generated by the currently authorized vaccines offer...

The rise of variants of SARS-CoV with alterations at the key spike protein, notably the “South Africa” variant (B.1.351), has posed potential challenges to the covid-19 vaccines. Many have expressed worry regarding the possibility of reduced efficacy of the currently available coronavirus vaccines,...

In another blow to convalescent plasma, the much-hyped proposed treatment for covid-19, the "Convalescent Plasma in Outpatient with COVID-19," or "C3PO" trial has stopped recruiting new patients and has been halted early, Brief19 has learned. 

The...

Editor’s note: Here at Brief19, we are committed to fighting medical disinformation, one briefing at a time. But what are the heavy-hitters of the internet and social media space doing to stop harmful stories from going viral? To learn more, we invited two Misinformation Policy Managers at Facebook...

The covid-19 pandemic has caused human suffering and economic consequences. The notion that one should be prioritized over the other is fundamentally flawed logic. There cannot be economic security (or a recovery) as long as covid-19 is spreading through the country as it is today.

Called "The...

The past month has been a busy one on the coronavirus vaccine front. With the US FDA granting emergency authorization of the Pfizer and Moderna covid-19 shots, rollouts have begun among healthcare workers and other high-risk persons. We've been able to examine data from both of these mRNA vaccines...

The phase III randomized double-blinded multi-center trial of the Moderna vaccine against SARS-CoV-2 has now been published.The trial enrolled 30,420 volunteers, randomly assigned to receive either two doses of the vaccine 28 days apart or a...

Vaccines are hoped to be the cornerstone in helping to control the covid-19 pandemic. Vaccination outside of clinical trial settings began in the United Kingdom yesterday and will likely begin in the United States next week, assuming that the US Food and Drug Administration grants emergency use...

Is convalescent plasma the miracle treatment we were promised? The answer in the latest published clinical trial appears to be no. This is more worrisome news for a proposed treatment that has been bandied about and for which the US Food and Drug Administration granted emergency use authorization,...