TOKYO (Reuters) - Concerns that the influenza drug Tamiflu -- seen as effective against a possible pandemic triggered by bird flu -- may induce fatal side effects are growing in Japan after two people who took it fell to their deaths last month.The deaths, the latest cases of abnormal behavior by those who took Tamiflu, prompted the Health Ministry to issue a warning last week that influenza patients could show psychiatric problems, although it has denied the drug was responsible for them.>>> Discuss This Story
