Health
A COVID-19 vaccine that prevents both the disease and viral transmission is the aim. Until then, here’s what we need to do – The Conversation AU
We still don’t know if current vaccines prevent people from transmitting the virus to others. Here’s why that matters in 2021.

Another day, another announcement about a COVID-19 vaccine. Whether thats talk of results from clinical trials, emergency approval or plans for countries to prioritise certain groups for vaccination.
But we still dont know if current vaccines prevent disease and also prevent people transmitting the virus to others.
This not only has implications for vaccines weve been hearing about recently, but vaccines still in development.
Heres why preventing viral transmission is so important. And heres what…
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