Advertisement
Advertisement
natural immunity
noun
- immunity that is present without prior immunization.
natural immunity
noun
- immunity with which an individual is born, which has a genetic basis
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.
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.
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.
Advertisement
Advertisement
Advertisement
Advertisement
Browse