H1N1 NEWS SCAN: Low activity, structural basis for immunity, heart damage, monitoring Malaysia
WHO: H1N1 activity low in most countriesCirculation of the 2009 H1N1 pandemic virus persists only in tropical zones of the Americas, Africa, and Southeast Asia, the World Health Organization (WHO) reported today. B strains of seasonal flu are circulating in East Asia, along with sporadic seasonal A/H3N2 flu in Asia, Eastern Europe, and Eastern Africa; the most recent H3N2 reports were in Indonesia and Tanzania.