A new strain of norovirus, GII.17, is disrupting the usual seasonal outbreak patterns, with reports of increased cases earlier in the year. Experts are concerned about the potential for GII.17 to dominate future outbreaks.
Health officials are raising concerns over a new COVID-19 strain, NB.1.8.1, as hospitalizations spike in China and other countries. The CDC reports cases in multiple nations, including the US.
A new strain of microbe, Niallia tiangongensis, has been discovered aboard China's Tiangong space station, highlighting its unique adaptations to space conditions and the importance of microbial studies for astronaut health.