HIV- The human immunodeficiency virus is a virus that weakens the dusts natural ability to campaign diseases and transmission systems.
The virus is rear in body fluids which include blood, semen, vaginal fluids and breast milk. The just about common way of this virus being go around is susceptible sex. Other ways include using a polluted syringe/needle and breastfeeding a baby.
During the preliminary days after(prenominal) being give by the virus, the patient usually shows no symptoms and therefore the only way to determine whether the person has symptoms is by a blood test. Someone with HIV is said to withdraw AIDS when tests show their immune system has stopped work and they develop life-threatening illnesses such as cancer.
There are more than 33 million people around the wold existing with HIV. The virus is particularly widespread in African countries such as South Africa and Zimbabwe.
The virus works very exactly by killing complete the carrells that maintain immunity and fight off diseases in our body. 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 include persistent cough, weight loss etc. 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 three 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 last caseful is...If you want to get a full essay, order it on our website: Ordercustompaper.com
If you want to get a full essay, wisit our page: write my paper
No comments:
Post a Comment