The U.S. surgeon general warns that Omicron has not yet peaked.

Sabrina Imbler Health https://ift.tt/3qA0QqY

Halting Progress and Happy Accidents: How mRNA Vaccines Were Made

Gina Kolata and Benjamin Mueller Health https://ift.tt/3A3TFdm

For Coronavirus Testing, the Nose May Not Always Be Best

Emily Anthes Health https://ift.tt/3GuAGuZ

The C.D.C. conceded that cloth masks do not protect against the virus as effectively as other masks.

Apoorva Mandavilli Health https://ift.tt/3KdS3CD

Common Virus May Play Role in Debilitating Neurological Illness

Gina Kolata Health https://ift.tt/3fmLy2e

In a First, Man Receives a Heart From a Genetically Altered Pig

Roni Caryn Rabin Health https://ift.tt/3r5iYI3

Starting later this week, some at-risk Americans become eligible for a 4th Covid shot.

Apoorva Mandavilli Health https://ift.tt/3n6JhfF

Covid may raise the risk of diabetes in children, C.D.C. researchers reported.

Roni Caryn Rabin Health https://ift.tt/3q3VTGk

Women’s Periods May Be Late After Coronavirus Vaccination, Study Suggests

Roni Caryn Rabin Health https://ift.tt/3q3ouMe

Emerging Data Raise Questions About Antigen Tests and Nasal Swabs

Emily Anthes and Christina Jewett Health https://ift.tt/337yJWt

In Omicron Hot Spots, Hospitals Fill Up, but I.C.U.s May Not

Emily Anthes and Azeen Ghorayshi Health https://ift.tt/3qNgfmC