Herd Immunity – level 2

04-06-2020 07:00

Herd immunity is the situation when the majority of people become immune to a disease. Usually, 70-90% of people need to be immune to get herd immunity. However, it is not easy to get it because some diseases are more infectious than others.

There are two ways to get herd immunity: a vaccine or a mass infection. To vaccinate enough people can take years. On the other hand, if too many people get sick at the same time, it can be a problem for hospitals.

Experts say that the best way is to make a vaccine. Before the vaccine is ready, people should follow governments’ rules to help stop the spread of the disease. It is clear that the coronavirus will continue to exist, and without the herd immunity, more people could get sick again.

Difficult words: immune (when a person’s body is strong enough not to catch a disease), infectious (how easily a disease spreads from person to person), mass infection (when many people catch a disease).

You can watch the original video in the Level 3 section.

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