Some diseases can only be caught once because the body becomes immune after the first infection. For example, chicken pox can typically only infect a person one time. Many diseases can be prevented through vaccinations, so people never catch them at all. While vaccinations have prevented diseases like polio and mumps, there are still diseases like the common cold that have multiple variants, so immunity after one infection is not guaranteed.

1. 4.4.11 Explain that there are some diseases that human beings can only catch once. Explain that there are many diseases that can be prevented by vaccinations so that people do not catch them even once.

2. What are some things we know about diseases? Examples They can make us sick. You get shots because of them. Some people can die from disease.

3. What are some diseases we know of. Chicken Pox Strep Throat Common Cold H1N1 Flu What do we know about preventing/fighting disease. Vaccinations Washing Hands Medicines Shots

4. What are some things we want to know about diseases.

5. How to prevent getting diseases? What are some diseases we can get vaccinations ? What are some diseases that are not around anymore and why?

6. Caught Once Caught A Lot Never Caught

7. Why do we only catch some diseases once? Some diseases our body catches once, because our body becomes immune to them and learns how to fight against them. Example: Chicken Pox Why do we catch some diseases more than once? Some diseases have a lot of different types, so our body only learns how to fight one type of the disease. Why do we never catch some diseases? Some diseases we get vaccinations for so we may never get them. Example: Polio, Mumps, Scarlet Fever

8. Why are certain vaccinations required before entering school? Vaccinations prevent students from spreading diseases. Can you catch some diseases over and over again? Yes, some diseases have many types and can infect you more than once. Is there a vaccine for the common cold? No, there are many types of the common cold, so our body does not learn how to fight all of them.

9. What all did I learn today?

10. Diseases people only catch once, because their body becomes immune to it. Example: Chicken Pox Diseases people can catch more than once, because there are many different types of them. Examples: Strep Throat Common Cold Pink Eye Diseases people no longer catch, because we found ways to fight them. Examples: Mumps Polio Rubella

11. Construct a 1 minute essay on diseases and how we think we can prevent getting sick.