The video explains the science behind COVID-19 vaccines, focusing on how understanding this science can boost confidence in choosing the right vaccine. It covers the role of antigens in activating the immune system, the mechanisms of different vaccines, including Johnson & Johnson's adenovirus approach and mRNA technology used by Pfizer and Moderna. The video also discusses storage requirements and potential side effects of these vaccines.

What is the primary target of the Moderna, Pfizer, and Johnson & Johnson vaccines?

• The spike protein

• The entire virus

• The virus's RNA

• The virus's DNA

How does the Johnson & Johnson vaccine deliver genetic material to the body?

• Using a chemical compound

• Using a live virus

• Using a weakened adenovirus

• Using a bacterial vector

What is a key advantage of mRNA vaccines like Pfizer and Moderna?

• They are cheaper to produce

• They are quick to produce

• They use live viruses

• They require no refrigeration

What is a rare side effect associated with mRNA vaccines?

• Headache

• Anaphylaxis

• Nausea

• Fever

How long can the Johnson & Johnson vaccine be stored at refrigerator temperatures?

• Three months

• Four months

• Two months

• One month