Which are infectious diseases? Check all that apply. cancer cholera typhoid malaria HIV/AIDS heart disease tuberculosis
Answers
Here, in the first case i.e cancer is not contagious. it does not spread from one person to another through any kind of close contact. Similarly, Cholera and typhoid are highly contagious as they can be transferred person to person by any kind of close contact or generally by contaminated food or water. Malaria is also infectious and is generally caused by animal or insect bites or stings. HIV AIDS is also contagious, it is caused by unclean blood in a body,
by having unprotected vaginal, anal or oral sex. And in some cases is also caused by heredity. Heart disease are not generally infectious but maybe in some cases they can be caused by exposure to several infectiousagents agents which lead to cardiovascular diseases. Tuberculosis is infectious and can be caused by coughs or sneezes or by saliva of other person.
Infectious disease: An infectious disease is one which can infect a healthy person from an infected person.
There are five major medium through which the disease spread
Here,
- Cholera is transmitted through water
- Typhoid is transmitted by body contact and water
- Malaria is spread by mosquitoes
- Tuberculosis is spread though air