Will Covid-19 vaccines reduce virus transmission? | David Spiegelhalter & Anthony Masters

Vaccinated people can still get infected, but they are less likely to pass it on

There are two ways that getting vaccinated can slow the spread of the virus. First, it can help prevent you getting infected. Second, even if you are unlucky and catch the virus, it may reduce the risk of passing it on. It is crucial to understand how big these benefits are.

Two huge new studies have taken advantage of the successful UK vaccine rollout. An Oxford-ONS analysis of more than 370,000 survey participants found infections were reduced by 65% after a single dose. For protection against the virus, one dose was similar to having had a prior infection. There was no major difference between the two available vaccines.

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