How many viruses have you helped discover the spread of?:]

Question: How many viruses have you helped discover the spread of?:]
- Keywords:
  epidemiology,
  virus
Asked by anon-243813 to Pan-ngum on 20 Mar 2020.
- Pan-ngum Wirichada answered on 20 Mar 2020:
  
  I have worked with influenza, dengue, rota and Respiratory Syncytial Virus (RSV). They are all viruses but they are different in characteristics, attack different groups of people and cause different symptoms.

Question: How many viruses have you helped discover the spread of?:]