Vaccination

1. Better healthcare has reduced infant _________ in many countries.
7. _________ kills harmful bacteria in milk, making it safer to drink.
11. _________ spreads through contaminated food and water.
13. In the past, doctors would _________ people to protect them from smallpox.
14. The patient's body was coveered with _________.
16. Edward Jenner discovered that _________ could protect people from smallpox.

2. If a dog has _________, its bite can be very dangerous.
3. COVID-19 is very _________, so sick people should stay home.
4. When you get an _________, the nurse cleans your arm first.
5. Scientists worked hard to develop a _________ for COVID-19.
6. If you don’t wash your hands, you might _________ a disease.
8. _________ is a dangerous disease with fever and swelling that affects animals and sometimes humans.
9. Dirty water can cause _________ if people drink it.
10. _________ are tiny organisms that can make us sick.
12. Many people were _________ with the disease during the outbreak.
15. _________ was a deadly illness in the past, but it no longer exists today.