(CIDRAP News) – Influenza viruses in 18% of a group of Japanese children who were treated with oseltamivir (Tamiflu) developed resistance to the antiviral drug, which is viewed as one of the key defenses against pandemic influenza, according to a new report in The Lancet.
(CIDRAP News) A new report says oseltamivir-resistant forms of H5N1 avian influenza virus were found in two Vietnamese girls who died of the infection, raising doubts about the antiviral drug that many countries are counting on to help protect them from a potential flu pandemic.
(CIDRAP News) European officials yesterday reported more evidence that one of the three types of seasonal influenza viruses is showing resistance to oseltamivir (Tamiflu) and said this represents the first clear sign that the resistant variant can spread.
(CIDRAP News) European health officials today reported signs of an increasing rate of resistance to oseltamivir (Tamiflu) in Europe's predominant subtype of influenza virus, but they cautioned that the rate seen in isolates tested so far may not reflect the real situation.
(CIDRAP News) With influenza season well under way in the southern hemisphere, one of the three kinds of seasonal influenza virus is becoming increasingly resistant to the antiviral drug oseltamivir (Tamiflu), the World Health Organization (WHO) reported last week.
(CIDRAP News) A Pan American Health Organization (PAHO) official today rejected a media report that quoted her as saying that antiviral-resistant cases of novel H1N1 influenza had been found along the US-Mexican border.