We analysed 16 635 norovirus sequences submitted between Jan 1, 2005, to Nov 17, 2016, of which 1372 (8·2%) sequences belonged to genotype GI, 15 256 (91·7%) to GII, and seven (<0·1%) to GIV.1. During ...

In addition, norovirus activity peaked earlier in 2024-25 (accompanying the rise in GII.17) compared to previous seasons. The 2024-25 season peaked in January 2025, vs peak periods in February ...

A dominant strain of norovirus is emerging, which could disrupt the seasonal pattern and increase the number of outbreaks, a June 2 CDC report suggests. Here’s what to know: 1. In previous years ...

A warning about an earlier outbreak of the Norovirus and a new way to detect ovarian cancer. Posted: June 6, 2025 | Last updated: June 6, 2025. Dr. Mallika Marshall has more on both stories in ...

A Texas woman died from an infection caused by a brain-eating amoeba days after she cleaned her sinuses using tap water, according to a Centers for Disease Control and Prevention case report.

Will norovirus surge early again this year? Here’s what scientists say. ... Infection can be deadly largely among adults aged 65 and up, but anyone can get sick.

Whether the upcoming norovirus season will surge early again this year may be anyone’s guess. But, scientists say there’s a new strain to worry about (Getty Images for NYCWFF) ...

Will the upcoming norovirus season be just as early and active as the past year?. While the answer may be anyone’s guess right now, federal health officials recently warned that the dominant ...

Increase in outbreaks of norovirus GII.17 over GII.4, United States, 2022–2025. Seasons are defined as September 1 of one year to August 31 of the next. The 2024–25 season is truncated to ...

Two outbreaks of norovirus linked to consumption of raw oysters harvested in Mexico underscored the importance of proper storage and handling of shellfish, according to an investigation published ...