Viral diseases

At the end of this activity, students should be able to:
– name several viral diseases (influenza, poliomyelitis, rubella, measles, mumps, chickenpox)
– explain why one person can contract influenza several times
– explain why bird flu viruses are so dangerous to human beings
– briefly describe the characteristics of childhood diseases (rubella, measles, mumps, chickenpox) and their complications
– describe the possible complications of viral hepatitis B and C
– describe the role of vaccinations in the prevention of viral diseases, including poliomyelitis.