(CIDRAP News) Flu activity remained low in the Northern Hemisphere last week, with only a few countries, such as Costa Rica and Cameroon, reporting spikes in the number of cases, the World Health Organization (WHO) said today.
Costa Rica is the only tropical country in the Americas to report increasing numbers of cases, which are primarily influenza A/H3N2, the WHO said.
(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) A final report from Finnish health officials on the link between the 2009 H1N1 Pandemrix vaccine and narcolepsy confirmed the link, finding a greater risk than their earlier estimate and identifying a genetic risk factor in all patients.
(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) Influenza activity in the United States last week increased in intensity and extent, sending more people to doctor's offices, the US Centers for Disease Control and Prevention (CDC) said today.
(CIDRAP News) Flu activity is increasing in many of the Northern Hemisphere's temperate-zone countries, with influenza B cocirculating with the 2009 pandemic H1N1 virus across Europe and teaming up with influenza A (H3N2) in the United States and Canada, the World Health Organization (WHO) said in its latest update.