Describe the main steps to the immune reaction

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Vaccines have nearly eradicated several harmful infectious diseases such as polio, rubella (measles), pertussis (whooping cough), and varicella (chicken pox).

Development labs are working around the clock to come up with a vaccine for the new Covid-19 coronavirus. This serum would contain a dead or weakened version of the disease-causing virus. The vaccination would contain the antigens that belong to the Covid-19 coronavirus without causing the disease symptoms associated with it.

-a) Describe the 3 main steps to the immune reaction in the body after a person has been injected with a vaccine for Covid-19.

-b) What are some of the issues (moral, ethical OR economic) involved when testing out a vaccine developed for a new disease in humans.

Reference no: EM132954058

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