InfectionThe immune system is a network of cells, tissues, and organs that work together to defend the body from harmful invaders. When bacteria, viruses or germs invade your body, they multiply and attack. This invasion is called an infection.
Immune ResponseInfections cause diseases that make you sick. Your immune system is always on patrol in the body. When it comes across an invading germ, it attacks it, this is called an immune response.
ImmunityIt triggers the alarm so your body knows there is an infection. It begins releasing antibodies to fight the germ. The antibodies work to attack, weaken and destroy germ. Afterward, your immune system remembers the germ and your body will recognize it in the future and quickly send out the right antibodies. This protection against a certain disease is called immunity.
How Vaccine Helps Immune System To Fight With Infections FasterIn many cases, the immunity lasts your whole life but sometimes, the infections are too strong for the immune system. The vaccine helps your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response helping your body to fight off and remember the germ so it can attack it if the germ ever invades again.
Vaccines won't make you sick because they are made of very small amounts of weak or dead germs. Vaccine often provides long-lasting immunity to serious diseases without the risk of serious illness.
A vaccine is more efficient than natural immunity. Natural immunity happens after you get sick with a disease. But the disease can be serious and even deadly. A vaccine protects you from a disease before you even become sick.
Vaccines also protect your community, this concept is called community immunity or herd immunity and it is an important reason for you and your family to get vaccinated so you can help keep yourselves and your community healthy.
Community immunity protects people who can not get vaccinated for certain diseases such that people with serious allergies and those with weakened or failing immune systems.
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