What is the principle of vaccines?

Vaccines help your immune system fight infections more efficiently by activating your immune system’s immune response to a specific disease. If a virus or bacteria strikes the body again in the future, the immune system will know how to respond.

Are vaccines safe?

Vaccines are safe. Children are far more likely to be harmed by vaccine-preventable diseases than vaccines may be. All vaccines pass rigorous safety testing, including clinical trials, before being approved for public use. Countries can only register and distribute vaccines that meet strict quality and safety standards.

What is a live vaccine?

Live vaccines contain weakened live viruses or bacteria. It teaches the immune system to fight viruses and bacteria, but because the virulence of viruses and bacteria is weakened, it generally does not cause illness in people with healthy immune systems.

Why are vaccines important?

Vaccines save 2 to 3 million lives each year.

Vaccines can help protect children from serious injury or even death, especially for infants and young children whose immune systems are still developing.

It is very important to vaccinate your child. Otherwise, highly contagious diseases such as measles, diphtheria, and polio that have been eradicated in many countries could return.

After multiple vaccinations, will my child take it?

OK. Some parents worry that getting multiple vaccines overwhelms a child’s immune system. In fact, children are exposed to hundreds of bacteria every day. A common cold or sore throat puts more stress on a child’s immune system than a vaccination.

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These diseases are not present in the community where I live. Why do I still need to vaccinate my child?

While some diseases may have been eradicated in your country or region, in the context of increasing globalization, these diseases may still spread from other regions.

What is herd immunity?

If a sufficient number of people in your community are already immune to a disease, the situation is called herd immunity. In the case of herd immunity, the disease is not easily spread through the population because most people are immune. This provides a protective barrier for those who have not yet been vaccinated, such as infants and young children.

By making it harder to spread the disease, herd immunity also prevents large outbreaks of disease. Diseases can become rarer and sometimes disappear completely in the community.

What is herd immunity?

Will the vaccine make my child sick?

Vaccines are very safe. Almost all symptoms or discomfort after vaccination are mild and temporary, such as muscle soreness or low-grade fever at the injection site. It can be controlled by taking over-the-counter pain relievers. 

What diseases can vaccines prevent?

Vaccines can protect children from serious diseases such as polio (which can cause paralysis), measles (which can cause brain edema and blindness), and tetanus (which can cause abnormally painful muscle contractions, difficulty eating, and breathing), especially in newborns.

Can I postpone my vaccinations?

One of the best ways to protect your child is to have your child vaccinated at the recommended vaccination times in your country. Every delay in getting a vaccination increases the child’s risk of getting sick.

Can I choose not to get vaccinated and let my child develop immunity naturally after chickenpox?

Although chickenpox is not a serious disease in the childhood memories of many parents (the chickenpox vaccine was introduced in 1995), serious complications from chickenpox that can be fatal or lead to lifelong disability persist. Vaccines can eliminate the risk of complications from chickenpox and prevent children from getting the disease, which can infect their siblings, friends, and classmates. 

Immunization schedules vary from country to country depending on the most prevalent diseases. You can check with your local health care center, doctor, or government health department for recommended vaccines and approximate dates.

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