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Concerns vaccines not as effective on Delta variant: Dr Kerry Chant – 2GB 873AM
The NSW Chief Health Officer says there are concerns vaccines are not as effective on the Delta variant of COVID-19. More than…

The NSW Chief Health Officer says there are concerns vaccines are not as effective on the Delta variant of COVID-19.
More than two million vaccine doses have been given in NSW.
But Dr Kerry Chant told Ben Fordham vaccines could be altered each year to fight…
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