Question

State the method of transmission of each of the following:

i. Cholera ii. AIDS iii. Malaria iv. Pneumonia.

Answer 1

cholera transfer because due to contaminated water and food.
AIDS is transfer due to sexual act

Malaria is transfer due to that plasmodium protozoa
nimonia is transfer because of hand shaking and coughing
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Answer 2

1) cholera -  bacterium vibrio cholerae

2)  AIDS -  It can be transmitted through sexual contact or by sharing needles infected with the HIV virus.

3) Malaria - Usually, people get malaria by being bitten by an infective female Anopheles mosquito. OnlyAnopheles mosquitoes can transmit malaria and they must have been infected through a previous blood meal taken from an infected person. When a mosquito bites an infected person, a small amount of blood is taken in which contains microscopic malaria parasites. About 1 week later, when the mosquito takes its next blood meal, these parasites mix with the mosquito's saliva and are injected into the person being bitten.

 

4) Pneumonia - bacteria Streptococcus pneumoniae.

You may get pneumonia:

a)After you breathe infected air particles into your lungs.

b)After you breathe certain bacteria from your nose and throat into your lungs. This generally occurs during sleep.

c)During or after a viral upper respiratory infection, such as a cold or influenza (flu).

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