Herd Immunity – level 1

04-06-2020 07:00

Many infectious diseases exist. It is not easy to control infectious diseases, such as the coronavirus.

It is important to reach herd immunity. Herd immunity is the situation when most people are immune to a disease. However, it is not easy to reach the herd immunity.

One way is to make a vaccine. However, it takes a long time to make a vaccine. It takes a long time to give it to all people.

Another way is mass infection. Mass infection means that many people in a population get the disease. It can make problems for hospitals. Many people can get sick at the same time.

The situation with the coronavirus is not easy. Scientists must make a vaccine. At the same time, people must follow strict rules. The rules help stop how many people get sick.

Without the herd immunity, the coronavirus continues to exist.

Difficult words: infectious (how easily someone catches a disease from someone else), immune (when the body is strong enough and does not catch a disease), vaccine (a drug that makes the body stronger so the person does not catch a disease), population (the people that live in a place).

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

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