Vaccines and Boosters

Keep your CDC Covid-19 record _____ to prove vaccination status.

After an infection the _____ system protects the body against that disease.

When the familiar antigens are detected, the body produces _____ to attack them.

T-lymphocytes are called "memory ____" that go into action if the body encounters the same virus.

After vaccination the process of building immunity can cause _____ such as fever or body aches.

Vaccines help us develop immunity _____ getting the illness.

Protection from a vaccine _____ (diminishes) over time and a booster is needed.

MRNA vaccines (Pfizer and Moderna) cause the body to create a protein that _____ (combats) the Covid-19 virus.

White _____ cells fight infection.

It takes two weeks after vaccination to _____ (form) immunity.

When germs invade the body, they _____ (assault) and multiply.