Off and on fever from 14 days. Bite.

My child is 21 month old on 4 th of February in the morning he went to play out side and after coming back he vomited 2 times and after 2 hours he got high fever ...I gave him paracetamol 3 times and fever subside in 3 days but he got coughing and heaviness in throat after one week coughing also stop but suddenly on 16 th February at night he complained about ear pain .and I get him checked, doctor gave him ear dropes ..but same day at night fever again start and now it Is 3 days passed but fever is not going  despite giving paracetamol ...two weeks before I was at my father home..and there he use to play with 4 month old puppies..is there any possibility of puppy bite..I am fearing ...kindly suggest me how to diagnosis in case puppy bite..