Please enable JavaScript.

Coggle requires JavaScript to display documents.

Preventing and Treating disease (Vaccinations and herd immuntiy (What'…

- - - - For highly contagious diseases such as measles, that can travel through the air, the heard immunity would need to be around 95
        %, for other diseases, such as polio which are slightly less contagious, the heard immunity could be less, roughly around 80
        %.
  - - - A vaccination is a small shot of the pathogen, this allows the body to make antibodies against it, so if you do receive the virus/ disease later on then your body is already protected by these antibodies.
      - What's an antibody ?
        
        An antibody is a blood protein produced to counteract with a specific pathogen.
- - - - Drugs are testes on the following... Cells, Tissues, Animals. Once they seem safe to animals, they are used on healthy volunteers.
    - - It takes roughly 10 years to develop a drug, there is an average of around 6-7 years, spent on just clinical trials alone. Developing drugs is very expensive, its said to cost around 2.6 billlion !