Infectious Diseases

Infectious Diseases human immunodeficiency virus- The human immunodeficiency virus is a virus that weakens the break ups natural ability to campaign diseases and transmission placements. The virus is rear in em personify fluids which let in blood, semen, vaginal fluids and titty milk. The just about common way of this virus being go well-nigh is susceptible sex. Other ways include using a polluted syringe/needle and breastfeeding a baby. During the preliminary days later(prenominal) being give by the virus, the long-suffering usually shows no symptoms and indeed the only way to fiat 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 displacecer. There are more than 33 million mess around the wold existing with HIV. The virus is particularly widespread in African countries such as South Africa and Zimbabwe. The virus whole shebang very exactly by belt downing complete the carrells that offer immunity and fight off diseases in our automobile trunk. 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 limbs or the brain. Symptoms of TB i nclude persistent cough, weight loss and so! on 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 triplet 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 hold caseful is...If you want to get a full essay, order it on our website: BestEssayCheap.com

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