What is an illness that can spread by a contact with others?

One illness that can spread through contact with others is influenza, commonly known as the flu. It is caused by the influenza virus and can be transmitted through respiratory droplets when an infected person coughs, sneezes, or talks. Additionally, touching surfaces contaminated with the virus and then touching the face can also lead to infection. Preventive measures include vaccination, hand hygiene, and avoiding close contact with sick individuals.