Answer with TRUE or FALSE and include ONLY ONE sentenceexplanation
Q1. All routes of vaccination successfully elicit virtuallyidentical immune responses
Q2. The prevalence of atopy has been steadily decreasing in thedeveloped world
Q3. During anaphylactic shock, blood vessels lose theirpermeability, and high blood pressure leads to death
Q4. Serum sickness is a cellular hypersensitivity, primarilyT-cell driven, can also invoke an inflammatory response by bindingto complement proteins C5a
