What is the primary function of adenoviruses in vaccine development?

• To replace the immune system

• To directly fight viruses

• To act as vectors delivering genetic instructions

• To cause common illnesses

How do adenovirus-based vaccines help the immune system recognize SARS-CoV-2?

• By causing a mild infection

• By instructing cells to produce the full virus

• By instructing cells to produce the spike protein

• By replacing the immune system

What ensures the safety and efficacy of COVID-19 vaccines before public availability?

• Media reports

• Public opinion

• Clinical trials and FDA review

• International treaties

What was a significant outcome of the clinical trials for the adenovirus-based COVID-19 vaccine?

• It was ineffective

• It was not approved by the FDA

• It caused severe side effects

• It offered complete protection against hospitalizations

What is the role of the FDA in the context of vaccine development?

• To manufacture vaccines

• To distribute vaccines globally

• To oversee clinical trials and ensure safety

• To fund vaccine research