International
A study of almost 4000 frontline workers has found the mRNA COVID vaccines made by Pfizer and Moderna are 91 per cent effective after two doses, they were also found to reduce the viral RNA load, and shorten the duration of illness if the breakthrough infection did occur. The US study recorded 204 COVID-19 infections, of which five were in those fully vaccinated, 11 were in people partially vaccinated, and 156 were in unvaccinated people (32 were in people with indeterminate vaccination status). For those that still got infected the study found that the risk of fever was lower and vaccinated people spent 2.3 fewer sick days spent in bed.
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