The “cicada” SARS-CoV-2 variant, which earned its nickname after staying relatively dormant following its discovery in 2024, has accounted for a small proportion of COVID-19 cases since the CDC began ...

BA.3.2, a heavily mutated new COVID-19 variant that may be better able to evade immunity from vaccines or prior infection, is now spreading in the United States. Although COVID infections are ...

The Centers for Disease Control and Prevention has flagged a SARS-CoV-2 subvariant called BA.3.2 after identifying it in U.S. clinical samples and wastewater, adding to a growing international count ...

The emergence of the BA.3.2 strain, nicknamed "cicada," comes amid broader uneasiness about vaccination rates among seniors — ...

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 ...

Experts say the transmission of hantavirus between humans is so rare that a pandemic is nearly ‘impossible’.

The World Health Organization declared the Ebola disease outbreak caused by a rare virus in Congo and neighboring Uganda a ...