Bell Ringer: mRNA Vaccine Video

What is the primary role of messenger RNA (mRNA) in mRNA vaccines?

• To directly fight off pathogens.

• To provide instructions to cells for producing specific proteins.

• To modify the host's DNA.

• To act as a complete, weakened virus.

After an mRNA vaccine is injected, what happens to the synthetic mRNA in the body?

• It immediately triggers an antibody response in the bloodstream.

• It enters the body's cells and serves as a blueprint for protein production.

• It integrates into the host cell's DNA.

• It is quickly broken down before it can enter cells.

Which two types of immune responses are activated when the protein produced by the vaccine is displayed on the cell surface?

• Humoral and cellular responses.

• Innate and adaptive immune responses.

• Primary and secondary immune responses.

• Inflammatory and allergic responses.

What has been demonstrated by extensive clinical trials regarding mRNA vaccines?

• They cause significant long-term side effects.

• They are only effective against mild illnesses.

• They have high efficacy and safety in preventing severe illness, hospitalization, and death.

• They require frequent booster shots due to low effectiveness.