Why do vaccine manufacturers begin with tests on animals or cell lines before moving on to adult human subjects?

What are different types and the effectiveness of vaccines?

Of the following types of vaccines: attenunated live or inactivated whole agent, which is more effective and why?

What is an RNA vaccine and how does it work?

Why should we make vaccines mandatory?

Scenario: In a rural community, a primary health care nurse is conducting a door-to-door vaccination campaign to address a recent outbreak of measles. The nurse notices that many parents are hesitant to vaccinate their children due to misinformation. The nurse decides to organize an educational seminar to address these concerns. What approach should the nurse take to effectively communicate the importance of vaccination? Options: A) Use complex medical terms to explain the effectiveness of vaccines. B) Distribute printed materials without engaging in direct conversation. C) Employ a culturally sensitive communication strategy, using simple language and visual aids. D) Recommend vaccination without providing any rationale.

All of the following are true concerning the Alere HIV test except: a)this test can detect infection 10 days post exposure b)the presence of three lines on the test indicates a positive reaction for anitgen and antibody against HIV c)unlike Oraquick the test is run with blood sample only and not oral fluid d)the presence of a single line indicates that a person has antibodies but no antigen for HIV  e)this is a test that is considered both a direct and indirect test for HIV diagnosis

Why is it important to characterize the type of immune response elicited by a vaccine during vaccine development?

What is the rationale behind immunization? Who developed the first vaccine and against which disease? What are the types of vaccines?

Why doesn't a vaccine cause a person to get ill?