Vaccine makers prep bird flu shot for humans ‘just in case’; rich nations lock in supplies
LONDON, March 20 (Reuters) – Some of the world’s leading makers of flu vaccines say they could make hundreds of millions of bird flu shots for humans within months if a new strain of avian influenza ever jumps across the species divide. One current outbreak of avian flu known as H5N1 clade 2.3.4.4b has killed … Read more