A Study of Tamiflu (Oseltamivir) for Seasonal Prophylaxis of Influenza in Children.

An Open-label Multi-center Trial of Oseltamivir for the Seasonal Prophylaxis of Influenza in Children.

This study will evaluate the safety of Tamiflu, when used for the prevention of influenza in children during the flu season. Children who would benefit from influenza prophylaxis when influenza is circulating in the community will receive treatment with Tamiflu syrup (or capsules) 30mg-75mg once daily (dependent on body weight) for 6 weeks. Safety data and influenza symptoms will be recorded throughout the study. The anticipated time on study treatment is <3 months, and the target sample size is <100 individuals.

Inclusion Criteria:

• males or females, 1-12 years of age;
• candidate for seasonal prophylaxis;
• negative rapid diagnostic test for influenza at baseline.

Exclusion Criteria:

• symptoms suggestive of influenza-like illness;
• positive rapid diagnostic test for influenza;
• antiviral treatment for influenza in 2 weeks prior to randomization.