Uncertainty still surrounds oseltamivir after 13 year old dies

Not enough studies have yet been done to determine the most effective way of using the antiviral drug oseltamivir (Tamiflu) and other antivirals against the H5N1 strain of avian influenza, a leading expert has warned. “In terms of dose, time, or strategy, all the studies have so far been done on H3N1 and H1N1 flu,” said Professor Robert Webster, of the division of virology at St Jude Children's Research Hospital, Memphis, Tennessee, and visiting professor at the University of Hong Kong's department of virology. “It is inevitable that we will get …