This is why; In the Spring of 1919, the strain of influenza
>('flu') was a normal "nothing to worry about" bug.  By
>the following Winter it had mutated into a killer which
>wiped out 40 million people across Europe.
>
>It has been shown that humans can catch "foot & mouth",
>albeit mildly.  So we cannot take the risk that a large
>animal-disease 'pool' could eventually throw up a
>deadlier human-infecting mutation.

I think if the people had been on a decent diet there would have been no
flu problem. There were shortages of food durign the war especially MEAT!!!