Health
Few vaccines prevent infection. Here is why that’s not a problem – ABC News
Most vaccines that are in routine use today do not stop a virus in its tracks, but they have been invaluable in controlling the rate of infection.
Vaccines are a marvel of medicine. Few interventions can claim to have saved as many lives.
But it may surprise you to know that not all vaccines provide the same level of protection. Some vaccines stop you getting symptomatic disease, but others stop you getting infected, too. The latter is known as “sterilising immunity”.
Catch up on the main COVID-19 news from January 6 with our coronavirus blog.
With sterilising immunity, the virus can’t even gain a toehold in the body because the immune system…
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