1.what is vaccine ?2. how does it work 3. why are the children vaccinated
Answers
Answer:
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
Your immune system reacts to the vaccine in a similar way that it would if it were being invaded by the disease — by making antibodies. The antibodies destroy the vaccine germs just as they would the disease germs — like a training exercise. Then they stay in your body, giving you immunity.
Immunizations can save your child's life. · Vaccination is very safe and effective. · Immunization protects others you care about. · Immunizations can save your .................................................
Answer:
Q1.
a mild form of a disease that is put (injected) into a person or an animal’s blood using a needle (an injection) in order to protect the body against that disease
Q2.
Vaccines give you immunity to a disease without you getting sick first. They are made using killed or weakened versions of the disease-causing germ or parts of the germ (called antigens). For some vaccines, genetic engineering is used to make the antigens used in the vaccine.
Q3.
The diseases vaccines prevent can be dangerous, or even deadly. Statistically, the chances of your child getting diseases .