natural immunity in a sentence

Example sentences for natural immunity

And animals that have natural immunity to certain viruses become reservoirs for disease.
They lose their natural immunity that kept the presence of pathogens in balance.
We must trust that a few members of a species would have a natural immunity to the virus.
In endemic areas there are few human cases among residents because of vaccination or natural immunity.
Most people will have little or no natural immunity to this virus.
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