Regeneron says its antibody cocktail injection prevents Covid In previous studies, antibodies had to be given intravenously. This one can be given with an under-the-skin injection. Matthew Herper STAT

Regeneron Pharmaceuticals said Monday that a single administration of its monoclonal antibody cocktail reduced the risk that volunteers exposed to Covid-19 would develop the disease by 81%.

In COVID-19 vaccination pivot, Canada targets frontline workers Canada is shifting its vaccination campaign to target frontline workers, moving away from a largely age-based rollout as the country tries to get a handle on the raging third wave of the pandemic. Anna Mehler Paperny U.S.

TORONTO (Reuters) - Canada is shifting its vaccination campaign to target frontline workers, moving away from a largely age-based rollout as the country tries to get a handle on the raging third wave of the pandemic.

Biden eyes bigger US role in global vaccination efforts The Biden administration is taking initial steps toward an expanded role in global COVID-19 vaccination efforts, while stopping short of sharing excess doses on a wide scale. Nathaniel Weixel TheHill

The Biden administration is taking initial steps toward an expanded role in global COVID-19 vaccination efforts, while stopping short of sharing excess doses on a wide scale.

Stalled at first jab: Vaccine shortages hit poor countries LONDON (AP) — As many as 60 countries, including some of the world’s poorest, might be stalled at the first shots of their coronavirus vaccinations because nearly all deliveries through the global... AP NEWS

LONDON (AP) — As many as 60 countries, including some of the world’s poorest, might be stalled at the first shots of their coronavirus vaccinations because nearly all deliveries through the global program intended to help them are blocked until as late as June.

Scientists work toward an elusive dream: a simple pill to treat Covid-19 As simple as that sounds, the process of actually developing new antiviral treatments is overwhelmingly complicated. Damian Garde STAT

The world has vaccines that can prevent most cases of Covid-19. It even has drugs that can help with the most serious symptoms of the disease. Now what it needs is a Tamiflu for SARS-CoV-2.