COVID-19 variants significantly reduce protection of vaccines, prior infection

August 27, 2021

Catching COVID-19 during pregnancy could make unborn children more prone to diseases

June 21, 2026

How long does COVID-19 take to spread through one household?

August 26, 2021

COVID-19 is most transmissible 2 days before, 3 days after symptoms appear

August 25, 2021

COVID-19 kills patients using an enzyme similar to neurotoxins in rattlesnake venom

August 25, 2021

Early U.S. COVID-19 vaccine campaign prevented 140,000 deaths, over 3 million COVID cases

June 21, 2026

COVID vaccine made from tobacco plant could help reduce global shortage

August 23, 2021

Most face masks won’t stop COVID-19 indoors, study warns

August 21, 2021

Home drinking becoming the new normal as alcohol sales surge during COVID

August 20, 2021

Long COVID may be the result of Epstein-Barr virus reactivating in many patients

August 18, 2021

Game on? No sign of COVID-19 spread after limited attendance at pro football games

June 21, 2026

Wildfire smoke may have led to thousands of additional COVID cases and deaths

June 21, 2026