A leading epidemiologist says the evidence is clear - two doses of a vaccine against COVID-19 does not provide adequate protection against the virus, and the definition of fully vaccinated should be broadened to three doses.

<p>A leading epidemiologist says the evidence is clear - two doses of a vaccine against COVID-19 does not provide adequate protection against the virus, and the definition of fully vaccinated should be broadened to three doses.</p>

Perth Today will keep you up to date with all the latest breaking stories and issues in Perth.

<p>Perth Today will keep you up to date with all the latest breaking stories and issues in Perth.</p>

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