Use of oseltamivir in 12 European countries between 2002 and 2007--lack of association with the appearance of oseltamivir-resistant influenza A(H1N1) viruses.

Use of oseltamivir in 12 European countries between 2002 and 2007--lack of association with the appearance of oseltamivir-resistant influenza A(H1N1) viruses.