The Coronavirus Outbreak

A mechanism known as “original antigenic sin” protects some people from flu. Whether it helps immune reactions to coronaviruses is still unclear

With the advent of new COVID drugs comes the fear that people will opt out of vaccination altogether

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

You can listen to all past episodes here.

From conjunctivitis to vertigo, coronavirus infections can affect disparate senses

A new delivery method for certain vaccines could make the lifesaving treatments more effective and accessible

Immune cells might abort SARS-CoV-2 infection, forestalling a positive PCR or antibody test, a study in hospital workers suggests

Researchers are still puzzling over what this drug does at the molecular level to help COVID patients

This year is unlikely to see as many severe cases as last year, but relaxed restrictions and a patchwork of vaccination could still mean trouble, experts warn

SARS-CoV-2 appears to travel widely across the cerebral cortex

People with diseases or treatments that suppress their immune system cannot count on the same protection most vaccinated people have

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

You can listen to all past episodes here.

An immunologist explains how the immune system changes as people mature