– Manuscript – Some of the world’s leading vaccine makers are developing bird flu shots to prepare for possible outbreaks of the sickness in humans. Bird flu, or avian flu, is officially known as H5N1. The virus usually spreads among different kinds of poultry. Human infections remain very rare. But most human cases have been linked to direct contact with infected … [Read more...] about Vaccine Makers Prepare Bird Flu Shots ‘Just in Case’