One mutation may make the Zika virus more infectious and better able to evade existing immunity, new research shows. On Tuesday, a team of researchers in California, Texas, and Mexico published a ...

Virus-built silver nanoparticles kill drug-resistant bacteria at ultra-low doses and slow resistance development by 10-fold.

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

Why does the COVID-19 virus make some people sicker than others? For years, scientists have looked to a critical piece of immune system machinery—known as the interferon pathway—for answers. There, ...

A mutation on the spike protein of the virus that causes COVID-19 could help it infect the brain by forcing it to use a cellular "back door." When you purchase through links on our site, we may earn ...