The first volunteers in the UK have been immunised with a vaccine to protect against a potential bird flu pandemic. The vaccine targets the H5N1 flu strain which has caused devastating infections in ...

A phase 3 clinical trial is underway to determine the effectiveness of an mRNA vaccine for H5N1, a strain of influenza that is currently of concern. The virus, which is commonly found in birds across ...

Net migration - the difference between the number of people arriving and those leaving - had been expected to continue to fall.