(CIDRAP News) The US Food and Drug Administration's (FDA's) Pediatric Advisory Committee voted today to recommend stronger label warnings for two antiviral influenza medicationsoseltamivir and zanamivirthat have been linked to reports of neuropsychiatric problems in children and teens, mainly in Japan.
Oseltamivir already carries a warning, but zanamivir currently carries no warning about reported neuropsychiatric effects.
(CIDRAP News) Resistance to oseltamivir (Tamiflu) over the three influenza seasons from 2003 to 2006 remained low in Japan, the country with the world's highest use of the drug, according to a preliminary study from the World Health Organization (WHO).
(CIDRAP News) – Japanese researchers who identified antiviral-resistant strains of influenza B found that they seemed to circulate in communities and families and to make patients just as sick as their nonresistant counterparts did, contrary to a common assumption that resistant flu viruses are likely to be less transmissible and less virulent.
(CIDRAP News) The United Nations Food and Agriculture Organization (FAO) said today that recent poultry outbreaks of H5N1 avian influenza have been less extensive than those a year ago but warned that many are going unreported.
(CIDRAP News) Reports from Indonesia say officials have confirmed that H5N1 avian influenza infected the 18-year-old son of a woman who died of the infection last week, but the woman's husband escaped the virus.