when a vaccine is given to a person with a healthy immune system the result is course hero

by Salma Weber 5 min read

What is vaccination?

Vaccination is a simple, safe, and effective way of protecting you against harmful diseases, before you come into contact with them. It uses your b...

How does a vaccine work?

Vaccines reduce risks of getting a disease by working with your body’s natural defenses to build protection. When you get a vaccine, your immune sy...

When should I get vaccinated (or vaccinate my child)?

Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age. In most countries you will be gi...

Why should I get vaccinated?

Without vaccines, we are at risk of serious illness and disability from diseases like measles, meningitis, pneumonia, tetanus and polio. Many of th...

What diseases do vaccines prevent?

Vaccines protect against many different diseases , including: Cervical cancer Cholera COVID-19 Diphtheria Ebola virus disease Hepatitis B Influen...

Who can get vaccinated?

Nearly everyone can get vaccinated. However, because of some medical conditions, some people should not get certain vaccines, or should wait before...

What is in a vaccine?

All the ingredients of a vaccine play an important role in ensuring a vaccine is safe and effective. Some of these include: The antigen. This is a...

Are vaccines safe?

Vaccination is safe and side effects from a vaccine are usually minor and temporary, such as a sore arm or mild fever. More serious side effects ar...

Are there side effects from vaccines?

Like any medicine, vaccines can cause mild side effects, such as a low-grade fever, or pain or redness at the injection site. Mild reactions go awa...