Question

Define Vaccine!!!Vaccine​

Answer 1

Explanation:

a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

Answer 2

$\Large{\bold{\fcolorbox{black}{lime}{Vaccine:}}}$

• ✒Vaccine suspension of weakened, killed, or fragmented microorganisms or toxins or of $\sf\large{\red{antibodies \:or\: lymphocytes}}$ that is administered primarily to prevent diseases.⛄

$\large{\bold{\fcolorbox{black}{aqua}{Facts:}}}$

• ✔A vaccine can confer $\sf\large{\orange{active\: immunity}}$against a specific harmful agent by stimulating the immune system to attack the agent.⛄

• ✔Once, stimulated by a vaccine, the antibodies producing cells, called $\sf\large{\red{B\: Cell}}$ or B lymphocytes, remain senitized and ready to respond to the agent should it ever gain entry to the body.⛄

• ✔A vaccine may also confer $\sf\large{\green{passive\:immunity}}$ by providing antibodies or lymphocytes already made by an animal or human donor.⛄

• ✔Vaccines are usually administered by injection, but some are given orally or even nasally.⛄