Which of these activities is most likely to cause the spread of disease?

dengue fever-Dengue is a viral infection spread by mosquitoes. It's widespread in many parts of the world.

Mosquitoes in the UK do not spread the dengue virus. It is caught by people visiting or living in Asia, the Americas or the Caribbean.

The infection is usually mild and passes after about 1 week without causing any lasting problems. But in rare cases it can be very serious and potentially life threatening.

There's no specific treatment or widely available vaccine for dengue, so it's important to avoid being bitten by mosquitoes when visiting an area where the infection is found.

dengue haemorrhagic- syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock).

fever are probably the fastest spreading diseases of the modern day

What is the difference between dengue fever and dengue hemorrhagic fever?

Mild dengue fever causes a high fever, rash, and muscle and joint pain. A severe form of dengue fever, also called dengue hemorrhagic fever, can cause severe bleeding, a sudden drop in blood pressure (shock) and death

Explanation:

Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.

Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.

answer; i believe the correct answer is ( mediation);