When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to-human spread, that "train has already left the station," warns one infectious disease expert.

Researchers have stressed that bird flu still poses a minimal risk to the general public, though that may change as the virus continues to circulate and potentially mutate. But the many empty shelves in stores and higher prices on the eggs that people can find have raised concerns among consumers about the safety of the egg supply.

There are many variations of bird flu, also known as avian flu and although humans can be affected by it, it depends on the strain - here is advice from the NHS

The human case in the West Midlands was detected after the Animal and Plant Health Agency (APHA) identified an outbreak of bird flu (H5N1) in a flock of birds. UKHSA carried out routine monitoring on people who had been in close contact with the infected birds and were able to detect the case.

Bird flu is infecting more people than we think. We need to stop it now before a new pandemic begins Right after President Donald Trump took office, amid the flurry of executive orders and agency upheavals,