Answer: One pathway is B cells, Your body identifies the pathogen, virus ect... Then your body starts to make antibodies. Within a short period of time, Your body attacks the virus with anti bodies. The other pathway is, That your body makes your body un-live able to the virus. First, Your body starts a temperature. which would most likely kill the virus, if this does not work your body immediately throws up anything left in your stomach.
Hope this helps :P
Step-by-step explanation: