Public Health England has said the risk of cat owners contracting tuberculosis is "very low" after two people developed the disease after coming into contact with a cat.
Professor Dilys Morgan told ITV News, "Something strange has happened in this instance".
"We don't know exactly what's happened but I don't think that we can read too much into it, that it is an increasing trend," she added.
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Nineteen people have been rescued from the English Channel after the inflatable boat they were in started taking on water.
Leishang Cosmetics said it strongly condemns racial discrimination but blamed foreign media for the "over-amplification" of the advert.
The public voted the ITV show ahead of last year's winner EastEnders, as well as Coronation Street, Doctors and Hollyoaks.