A disease in human beings caused by a virus is
Influenza or flu is a respiratory illness that is caused by virus in humans. Symptoms can be mild to severe. The most common symptoms include high fever, running nose, sore throat, muscle pains, headache, coughing, and feeling tired.
Typhoid - is caused by the bacteria Salmonella typhae
Dysentery - is caused by a protozoa Entamoeba histolytica
Scurvy - is caused due to Vitamin C deficiency