Question

Can you tell?
Why do we suffer from common cold
repetatively in our life, but other viral diseases
like Influenza or Small pox only once?​

Answer 1

Explanation:

because those virus stay for few months as we intake medicines and many things

but common cold cause due to loss of immunity strength

Answer 2

Answer:

common cold are the symptoms of all the big diseases. Mist of the big diseases symbolises this small disease. There is no any proper vaccine through which people can be unaffected through out their life. whereas, there are some proper vaccine of other diseases like influenza, small pox etc. when we take the vaccine once it is prevented for the life time