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natural immunity

noun

  1. immunity that is present without prior immunization.


natural immunity

noun

  1. immunity with which an individual is born, which has a genetic basis
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

Because no one knows how long natural immunity lasts, vaccination is crucial, Murphy said.

Requiring such proof to travel internationally could encourage people to game the vaccine-prioritization system or, more dangerously, try to get sick to gain natural immunity.

From Time

Earlier in the pandemic, experts thought such herd immunity could be achieved after 70 to 75 percent of people were vaccinated or had developed natural immunity from previous coronavirus infections.

Early in the pandemic, scientists estimated that around 70 percent of people would need to be vaccinated or have developed natural immunity to reach the threshold at which the virus would not freely circulate.

Either way, it means natural immunity provides a similar level of protection as the approved Covid-19 vaccines.

From Vox

This natural immunity showed scientists where and how to look for an effective vaccine.

Our closest imitation of natural immunity is vaccination against small-pox.

If a person keeps his body in good physical condition and lives carefully, he will do much toward acquiring this natural immunity.

In any case, the object is to induce an artificial immunity as nearly as possible like the natural immunity of the healthy body.

This natural immunity can be heightened when it exists, or an artificial immunity can be produced in various ways.

In natural immunity, it plays the principal part by digesting morbid agents inside the phagocytes like any other food.

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natural historynaturalism