For the 2007--2008 influenza season, 12% of 1155 isolates from 45 states were resistant to oseltamivir. No epidemiological or clinical differences were noted between resistant and susceptible cases.

Their lab experiments, published in March, found the two mutations appeared to raise H1N1's resistance to the flu treatment ...

Their lab experiments found that the two mutations appeared to raise H1N1's resistance to the flu treatment oseltamivir - commonly sold under the brand Tamiflu by drugmaker Roche. According to ...

There has been documented evidence of the emergence of oseltamivir-resistant type A viruses, but similar information on influenza B viruses has been limited. Influenza B viruses are associated ...

Xofluza is also effective in lab studies against oseltamivir-resistant flu strains, and it outperformed the older drug in the CAPSTONE-2 trial in people at high risk of flu complications.

Oseltamivir, zanamivir and amantadine can ... the prevention and treatment of influenza depends on the prevalence of resistant virus. Amantadates can be used in countries with a low prevalence.

Around the same time, Norwegian authorities found that 75% of strains of circulating influenza A were resistant to oseltamivir 3. Multiple other European health authorities reported high rates of ...

Zwygart AC, Medaglia C, Zhu Y, Bart Tarbet E, Jonna W, Fage C, Le Roy D, Roger T, Clément S, Constant S, Huang S, Stellacci F, Silva PJ, Tapparel C. Development of Broad-Spectrum β-Cyclodextrins-Based ...

DAS181 is also active against drug-resistant IFV, including strains resistant to Tamiflu (oseltamivir) and Relenza (zanamivir). Asian lineage avian influenza A (H7N9) virus and two additional ...