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The reason for the dramatic decline in the number of measles cases from 1960s to 2010 in the United States was because the vaccine?
1. Contained pathogens to fight against this highly contagious virus.
2. Prevented the development of serious complications after infection.
3. Exposed many people to a weakened form of the measles virus, making them immune.
4. Contained an antibiotic that killed the measles virus, preventing its spread.

The reason for the dramatic decline in the number of measles cases from 1960s to 2010 in the United States was because the vaccine 1 Contained pathogens to figh class=

Respuesta :

Answer:

3.

Explanation:

3. Exposed many people to a weakened form of the measles virus, making them immune.

vaccines are weaker versions of the sickness so it's 3

Reason for the dramatic decline in the number of measles cases from 1960s to 2010 is "Exposed many people to a weakened form of the measles virus, making them immune".

What causes measles virus?

Measles is caused by a virus found in the nose and throat of an infected child or adult. When someone with measles coughs, sneezes or talks, infectious droplets spray into the air, where other people can breathe them in.

What are 5 symptoms of measles?

There are 5 symptoms of measles.

  • A high fever.
  • Tiredness.
  • A barky cough.
  • Red or bloodshot eyes.
  • A runny nose.

Hence ,correct answer will be option (3).

To learn more about measles virus ,here

https://brainly.com/question/13051239

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