Scientists in China say they have identified a new swine flu strain that has the potential to become another pandemic.
The new virus, which is only spreading among pigs at the moment, has “all the hallmarks” of being able to infect humans and needs to be monitored closely.
BBC reports: As it’s new, people could have little or no immunity to the virus.
The scientists write in the journal Proceedings of the National Academy of Sciences that measures to control the virus in pigs, and the close monitoring of swine industry workers, should be swiftly implemented.
A bad new strain of influenza is among the top disease threats that experts are watching for, even as the world attempts to bring to an end the current coronavirus pandemic.
The last pandemic flu the world encountered – the swine flu outbreak of 2009 – was less deadly than initially feared, largely because many older people had some immunity to it, probably because of its similarity to other flu viruses that had circulated years before.
That virus, called A/H1N1pdm09, is now covered by the annual flu vaccine to make sure people are protected.
The new flu strain that has been identified in China is similar to 2009 swine flu, but with some new changes.
So far, it hasn’t posed a big threat, but Prof Kin-Chow Chang and colleagues who have been studying it, say it is one to keep an eye on.
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