Question

give 2 examples of the 4 things which need to be present for a communicable disease to spread

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Answer 1

Answer:

see next ------

Explanation:

How diseases spread depends on the specific disease or infectious agent. Some ways in which communicable diseases spread are by:

physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB)

contact with a contaminated surface or object (Norwalk virus), food (salmonella, E. coli), blood (HIV, hepatitis B), or water (cholera);

bites from insects or animals capable of transmitting the disease (mosquito: malaria and yellow fever; flea: plague); and

travel through the air, such as tuberculosis or measles.

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