Question

Vaccines save millions ________lives each year. Vaccines work _____training and preparing the body’s natural defence --- the immune system--- to recognize and fight _________the viruses and bacteria they target. If the body is exposed _____ those disease-causing germs later, the body is immediately ready to destroy them, preventing illness. There are currently more than 50 COVID-19 vaccine _____ trials. WHO is working in collaboration ______scientists, business, and global health organizations to speed______ the pandemic response. When a safe and effective vaccine is found, COVAX (led by WHO, GAVI and CEPI) will facilitate the equitable access and distribution of these vaccines to protect people in all countries. People ______risk will be prioritized

Answer 1

Answer:

of

with

with

to

in

with

up

to

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Answer 2

Answer:

Of , by , against , to , on , with , up , on.

Hope it will help you....