(CIDRAP News) – Influenza is widespread in eight US states, and some other indicators of an early flu season continue to rise, the Centers for Disease Control and Prevention (CDC) said today.
The percentage of patients' respiratory samples testing positive for flu grew to 20.7% in the week ending Dec 1, up from 15.2% the week before. And, as before, the H3N2 strain continues to dominate, which can be a sign of a more severe flu season.
(CIDRAP News) Influenza activity in the Southern Hemisphere has mostly returned to off-season levels, with only a few countries in tropical regions reporting significant activity, the World Health Organization (WHO) reported today.
(CIDRAP News) Though influenza activity is low in most nations, some are seeing active transmission, including Cuba, Bolivia, Cameroon, and parts of Southeast Asia, the World Health Organization said today in an update.
Cuba and El Salvador have reported increasing circulation of influenza A (H3N2), a strain that peaked in Honduras in the middle of August.
(CIDRAP News) Signaling that the current flu strains are likely to persist over the next several months, the World Health Organization (WHO) today recommended sticking with the current trio of vaccine strains for the Northern Hemisphere's next influenza season.
The WHO's vaccine strain advisory committee met on Feb 15 and 16 and released its recommendation on the WHO's Web site. The group recommends the following for next season's vaccine:
(CIDRAP News) – US officials this week promoted international efforts to prepare for a potential influenza pandemic, announcing an international flu surveillance partnership and promising aid to Vietnam for avian and human flu surveillance.