News & Perspective

May 11, 2007

May 11, 2007

WHO study finds little resistance to Tamiflu

(CIDRAP News) – Resistance to oseltamivir (Tamiflu) over the three influenza seasons from 2003 to 2006 remained low in Japan, the country with the world's highest use of the drug, according to a preliminary study from the World Health Organization (WHO).

Apr 13, 2007

Apr 13, 2007

Study suggests drug-resistant strains of influenza B can spread

(CIDRAP News) – Japanese researchers who identified antiviral-resistant strains of influenza B found that they seemed to circulate in communities and families and to make patients just as sick as their nonresistant counterparts did, contrary to a common assumption that resistant flu viruses are likely to be less transmissible and less virulent.

Jan 18, 2007

Jan 18, 2007

Tamiflu-resistant H5N1 strain surfaces in Egypt

(CIDRAP News) – Two patients who recently died of H5N1 avian influenza in Egypt had a strain of the virus that was moderately resistant to oseltamivir (Tamiflu), the World Health Organization (WHO) announced today, but the finding has not prompted new health advisories.