
World-leading vaccine makers have said they could prepare a new human bird flu shot within months.
H5N1 clade 2.3.4.4b – one current outbreak of bird flu or “avian flu” – has killed unprecedented numbers of wild birds and infected mammals globally.

World-leading vaccine makers have said they could prepare a new human bird flu shot within months.
H5N1 clade 2.3.4.4b – one current outbreak of bird flu or “avian flu” – has killed unprecedented numbers of wild birds and infected mammals globally.