Fear struck communities in 2009 as the H1N1 influenza virus (commonly known as swine flu) erupted around the world. On the advice of the World Health Organisation (WHO), which swiftly defined the outbreak as a pandemic, governments in the European Union and abroad increased stockpiles of anti-viral medicines, including Roche’s costly drug, Tamiflu (oseltamivir). As H1N1 spread, Tamiflu sales surged. But little did governments, health care providers and patients know that Tamiflu was only as effective as a simple…