1. Smallpox
... the vaccine. It is then used to prick the skin a number of times in a couple seconds. The pricking is not deep, but will cause a sore spot and some drops of blood to appear. If the vaccination is successful, a red and itchy bump develops at the site of vaccination in three or four days. The first week after vaccination, that bump becomes ... a large blister, which will then fill with pus and soon begin to drain. During the second week, the blister starts to dry up, then forming a scab. The scab will most likely fall off in the third week, leaving your upper are ... ...
- Word Count: 654
- Approx Pages: 3
- Has Bibliography
- Grade Level: High School