Question

give two examples of the four things which need to be present for communicable disease to spread​

Answer 1

Answer:

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

1_physical contact with an infected person, such as through touch (staphylococcus),

2_sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB)

3_contact with a contaminated surface or object (Norwalk virus), food (salmonella, E. coli), blood (HIV, hepatitis B), or water (cholera);

4_bite from insects or animals capable of transmitting the disease (mosquito: malaria and yellow fever; flea: plague); and

5-travel through the air, such as tuberculosis or measles.

Answer 2

Answer:

through blood,insect bites, body fluids,sexual contacts

examples HIV, COVID 19,Ebola etc