Health
One vaccine dose isn’t enough to protect against the Delta variant, new research shows – Business Insider Australia
A single dose of Pfizer’s or AstraZeneca’s vaccines – both of which require two shots – was either weakly or not at all effective…
Although vaccines work well against the Delta variant, the level of protection they offer seems to depend largely on whether you’ve completed your vaccination course. A study published Thursday in the journal Nature found that just a single dose of Pfizer’s…
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