Seasonal Influenza Viruses

Researchers presented data at IDWeek showing that socioeconomic vulnerability and race can negatively impact vaccine uptake.

The latest COVID-19 vaccines reduce the risk for hospitalization or visits to an ED or urgent care by around 50%, according to interim data published in MMWR.

Influenza activity is increasing in most parts of the United States and is at or above baseline levels in three regions, the CDC reported Monday.

A surge of respiratory syncytial virus, an early start to influenza season and the ongoing COVID-19 pandemic have caused a “tripledemic” in the United States, overwhelming hospitals, experts said.

Influenza reached epidemic levels in Chile months earlier than a typical influenza season, just like in several other Southern Hemisphere countries, researchers reported.