Professor Calum Semple - a member of the government's emergencies and virus threats advisory group - says COVID should still not be underestimated and those under 50 who are not yet fully vaccinated shouldn't consider themselves invincible just because they're young.
Professor Semple said COVID-19 wasn't just a flu virus and there was real evidence that it was causing significant damage to the body in some cases. But that the 'vaccination is the way out of this'.
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