Question 1

What is a vaccine?

Accepted Answer

A vaccine is a medicine that helps your body learn how to fight off certain germs so you don't get sick from them.

Question 2

How do vaccines work?

Accepted Answer

Vaccines teach your body to recognize and fight the germs that cause diseases, kind of like how your brain remembers how to solve different types of math problems.

Question 3

Why do we need vaccines?

Accepted Answer

We need vaccines to help protect us from getting sick from diseases, and to keep those diseases from spreading to other people.

Question 4

Are vaccines safe?

Accepted Answer

Yes, vaccines are very safe. Scientists study them very carefully to make sure they work well and don’t cause harm.

Question 5

Who invented vaccines?

Accepted Answer

A long time ago, a scientist named Edward Jenner made the first vaccine for smallpox, a disease that made a lot of people very sick.

Question 6

Can vaccines make you sick?

Accepted Answer

Vaccines don’t make you sick like the real germs do. Sometimes, they might cause a sore arm or a mild fever, but this goes away quickly.

Question 7

Why do kids get vaccines?

Accepted Answer

Kids get vaccines to protect them from dangerous diseases while their bodies are still growing and getting stronger.

Question 8

Do adults need vaccines too?

Accepted Answer

Yes, adults need vaccines as well, to keep themselves and others protected from diseases they can spread.

Question 9

Can everyone get vaccinated?

Accepted Answer

Most people can get vaccinated, but some might not be able to if they have certain allergies or health problems. That's why it's important for those who can get vaccinated to do so.

Question 10

Do vaccines last forever?

Accepted Answer

Some vaccines last a long time, but others might need a booster shot to keep working. A booster is like a reminder for your body.

Question 11

What is herd immunity?

Accepted Answer

Herd immunity is when most people in a group are protected from a disease, so it doesn’t spread easily. This also helps protect people who can’t get vaccines.

Question 12

How have vaccines changed over the years?

Accepted Answer

Vaccines have become even better and safer over the years because scientists keep learning and improving them.

Question 13

What diseases have vaccines helped to control?

Accepted Answer

Vaccines have helped control diseases like measles, polio, and chickenpox, which used to make a lot of people very sick.

Question 14

How are new vaccines made?

Accepted Answer

To make new vaccines, scientists study the germs that cause diseases and test different ways to safely teach our bodies to fight them.

Question 15

Why do some vaccines need multiple doses?

Accepted Answer

Some vaccines need multiple doses to give your body more practice fighting the germs or to keep the protection strong for a long time.

Question 16

Can animals get vaccines too?

Accepted Answer

Yes, animals can get vaccines to help keep them healthy and to prevent them from spreading diseases to others or even to humans.

Question 17

What should I do if I'm scared of shots?

Accepted Answer

It's okay to feel scared, but try to remember that the shot is very quick and it's there to protect you. You can also talk to your doctor or parent about your fears.

Question 18

Are there any side effects of vaccines?

Accepted Answer

Some people might have mild side effects like a sore arm, feeling tired, or a small fever, but these are normal and go away soon.

Question 19

Why do we get vaccines at different ages?

Accepted Answer

Vaccines are given at different ages to provide the best protection when you need it most as you grow.

Question 20

How do we know vaccines are working?

Accepted Answer

We know vaccines are working because fewer people get sick from the diseases the vaccines protect against, which is a big win for everyone!

The Development and Impact of Vaccines - 20 FAQs Explained Simply