Answer:
1. Infectious agents cause upper respiratory infection are viruses(rhinoviruses,and Enterovirus).
prevention: handwashing and disinfecting contaminated objects
treatment: supportive therapy, vapour rub
using prophylaxis,
probiotic (vitamin C, Garlic , Nasa saline irrigation
Step-by-step explanation:
Upper respiratory infection is caused by viruses like enterovirus and rhinoviruses. the symptoms of URI are nasal congestion, running nose, nasa breathing, sneezing, nasal discharge, painful when swallowing and others.
We can be prevented from this by washing our hand regularly, disinfecting any contaminated or material before use, use of Garlic and Vitamin C.