News & Perspective

(CIDRAP News) – Many Northern Hemisphere countries, from North America to temperate Asia, have seen rising flu activity in recent weeks, while cases ebbed or remained scarce in most of the rest of the world, the World Health Organization (WHO) said today.

(CIDRAP News) – Australian public health officials yesterday reported a cluster of oseltamivir (Tamiflu)-resistant 2009 H1N1 infections, one of the largest to date, centered in one region of New South Wales state.

(CIDRAP News) – Researchers who combed through scores of serologic studies estimate that the global cumulative incidence of pandemic H1N1 influenza infection before vaccines became available was probably below 20%, far lower than the 50% that pandemic planners had envisioned as a possible worst case.