ANATOMY

Detailed explanation-1: -The Pfizer and Moderna vaccines work this way. Protein subunit vaccines, such as the Novavax vaccine, contain harmless pieces of proteins unique to the COVID-19 virus. Vector vaccines, like the AstraZeneca vaccine, use another virus that has been made safe.

Detailed explanation-2: -Protein subunit vaccine. Once your immune system recognizes the S proteins, it creates antibodies and defensive white blood cells. If you later become infected with the COVID-19 virus, the antibodies will fight the virus. The Novavax COVID-19 vaccine is a protein subunit vaccine.

Detailed explanation-3: -There are two categories of COVID-19 Vaccines: Component Viral Vaccines and Whole Virus Vaccines.

Detailed explanation-4: -Hib (Haemophilus influenzae type b) disease. Hepatitis B. HPV (Human papillomavirus) Whooping cough (part of the DTaP combined vaccine) Pneumococcal disease. Meningococcal disease. Shingles.