GENERAL ANATOMY
IMMUNE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Because some diseases are too severe for our immune system.
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Because adaptive immunity takes days to weeks to initiate a response and sometimes it is too late.
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Because some people are immune deficient or have weak immune systems.
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All of the above
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Detailed explanation-1: -As immunity gained either from past infection or vaccination also diminishes with time, a precaution-dose can reinforce our immunity to fight against new mutations.
Detailed explanation-2: -COVID-19 Vaccines Are Effective People who have certain medical conditions or who are taking medications that weaken their immune system are at increased risk of severe COVID-19 illness and death.
Detailed explanation-3: -Vaccines help your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response, helping your body fight off and remember the germ so it can attack it if the germ ever invades again.
Detailed explanation-4: -A vaccine is defined as any substance which is used to stimulate the production of antibodies, in turn providing immunity against one or a few diseases. A vaccine is defined as a biological preparation formulated to provide acquired immunity for a particular disease.
Detailed explanation-5: -Vaccines are very important because they protect us from infectious diseases. In some areas or populations, infectious diseases are endemic. For example, cholera, polio, smallpox, hepatitis B and so on. To fight against these diseases, we need vaccines to boost our immune systems and prevent harm.