I agree with the animal experiment.

First, to develop treatments and prevent disease through animal testing can save the much larger numbers of lives

Second, fully realistic alternative to replace animal testing is not yet. because almost all the vaccine or treatment we use is through animal testing.

Third, the animal's digestive system similar to humans. so, the experiment have the highest chance of success.

Fourth, Keep people from a serious life threatening side effects. for example sulfanilamide event in 1937, 107 people died of side effects by using the new antibiotics without animal testing.

Thank you for reading my letter.