Monkeypox not as big a threat as Covid but could become ‘more vicious’, warns McConkey

Virus ‘likely to stay within a group’ rather than spread widely in population, says infectious diseases expert

Laboratory technicians at the molecular laboratory facility set up to test the monkeypox virus in Chennai, India. (Idrees Mohammed/EPA)

Infectious diseases expert Prof Sam McConkey has said the monkeypox virus is very unlikely to spread widely in the general population.

However, on Newstalk’s Pat Kenny show, Prof McConkey warned that it could become endemic in Europe and that the real concern would be if the virus mutated and started to spread more efficiently. “There’s always a worry, when it is in thousands and thousands of humans, that it will evolve into a more vicious animal and cause more disease,” he said.

“I think it is very unlikely that this will start to spread widely in the general population. The R0 [reproductive number], if we go back to the old technical numbers we used to use with Covid, in the general population is much less than one”. Prof McConkey added that only 8 per cent of close contacts acquired the disease. So, unless an infected person had a very large number of close contacts, generally it would not continue to spread.

“I think this is quite a different type of pandemic. I think it is likely to stay within a group.

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“In some ways, I feel reminiscent of the HIV epidemic back in the early ‘80s when, again, men who have sex with men were originally the risk group there.

“That did spread to 50 or 80 million people and caused a worldwide pandemic. So I think it could become endemic, it could become part of the furniture if you like, like syphilis or like herpes, but I don’t see anything like the 6,000 or 7,000 deaths we had from Covid. It’s very different from Covid.”

Also speaking on Newstalk, infectious diseases expert Dr Eoghan De Barra said that there was only a small quantity of smallpox vaccine in the State, which needs to be used effectively and targeted at the key cohort: men who have intimate contact with other men, especially those with multiple contacts.

It is important to protect “that population” first, he said.