Infectious Diseases

Infectious Diseases human immunodeficiency virus- The human immunodeficiency computer virus is a virus that weakens the patters natural ability to campaign diseases and transmission governing eubstances. The virus is rear in remains fluids which admit blood, semen, vaginal fluids and mamilla milk. The just about common way of this virus beingness go around is susceptible sex. Other ways include using a polluted syringe/needle and breastfeeding a baby. During the preliminary days by and by(prenominal) being give by the virus, the longanimous usually shows no symptoms and and then the only way to sterilize whether the person has symptoms is by a blood test. Someone with human immunodeficiency virus is said to withdraw AIDS when tests show their immune system has stopped work and they develop life-threatening illnesses such as mucklecer. There are more than 33 million nation around the wold existing with HIV. The virus is particularly widespread in Af rican countries such as South Africa and Zimbabwe. The virus works very exactly by overcomeing complete the carrells that sustain immunity and fight off diseases in our personify. These cells are called CD4 cells and the HIV virus enters these, replicates itself, exits the cell and kills it off during the process. This continues until the level of CD4 cells in our body drops dangerously low.

Tuberculosis- This is a bacteriuml disease that spreads through inhaling droplets of saliva or familial an infected persons sneeze. TB mainly affects the lungs hardly can spread to other parts of the body like the li mbs or the brain. Symptoms of TB include per! sistent cough, weight loss etcetera The bacterium that causes TB works very slowly and therefore the infected person might take years after being infected before developing any symptoms. The bodys immune system might either kill off the bacteria, crate a defensive layer around the infection or be unable to kill the bacteria. These tether situations leads to the bacteria being dead, the bacteria being in the body but not having any symptoms and the bacteria causing symptoms respectively. The survive caseful is...If you want to get a full essay, pasture it on our website: BestEssayCheap.com

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