With the outbreak of the Avian bird flu people are looking out for anti
viral drugs .  there are few  antivirals in the market but i came
actoss Relenza while surfing the net .
Relenza is an anti-viral drug, for persons aged 7 years and older for
the treatment of uncomplicated influenza virus. This product is
approved to treat type A and B influenza, the two types most
responsible for flu epidemics. for this drug to work effectively the
patient needs to start treatment within two days of the onset of
symptoms . But this drug seemed to be less effective in patient  whose
symptoms were not severe and didnot include a fever.