Vaccine makers make bird flu shot for humans ‘just in case’; wealthy nations lay down 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 bird flu ever jumps the species divide. A current outbreak of bird flu, known as H5N1 clade 2.3.4.4b, has killed a … Read more