Question

Bio
Write any fine Hurran diseases and
its causes​

Answer 1

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here is your answer...

*HIV (Human immunodeficiency virus):AIDS (Acquired immunodeficiency syndrome)

HIV infection is caused by the human immunodeficiency virus. You can get HIV from contact with infected blood, semen, or vaginal fluids.

Most people get the virus by having unprotected sex with someone who has HIV.

Another common way of getting it is by sharing drug needles with someone who is infected with HIV.

The virus can also be passed from a mother to her baby during pregnancy, birth, or breastfeeding.

HIV doesn't survive well outside the body. So it can't be spread by casual contact like kissing or sharing drinking glasses with an infected person.

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Rubella virus:Rubella

The cause of rubella is a virus that's passed from person to person. It can spread when an infected person coughs or sneezes, or it can spread by direct contact with an infected person's respiratory secretions, such as mucus. It can also be transmitted from pregnant women to their unborn children via the bloodstream.

A person with rubella is contagious for one to two weeks before the onset of the rash until about one or two weeks after the rash disappears. An infected person can spread the illness before the person realizes he or she has it.

Rubella is rare in the United States because most children receive a vaccination against the infection at an early age. However, cases of rubella do occur, mostly in unvaccinated foreign-born adults.

The disease is still common in many parts of the world. The prevalence of rubella in other countries is something to consider before going abroad, especially if you're pregnant.

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Cancer:

Cancer is caused by changes (mutations) to the DNA within cells. The DNA inside a cell is packaged into a large number of individual genes, each of which contains a set of instructions telling the cell what functions to perform, as well as how to grow and divide. Errors in the instructions can cause the cell to stop its normal function and may allow a cell to become cancerous.

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Hepatitis B:

Hepatitis B is caused by infection of the body with the hepatitis B virus.

The hepatitis B virus (HBV) is found in blood and bodily fluids. It can be transmitted through semen, vaginal fluids, and blood, and it can pass from a mother to a newborn during delivery. Sharing needles and having unprotected sex increase the risk.

People tend to catch HBV when they visit a part of the world in which infection is more common.

A person can spread the condition without being aware, as it may be symptomless.

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Malaria:

Malaria is caused by the Plasmodium parasite. The parasite can be spread to humans through the bites of infected mosquitoes.

There are many different types of plasmodium parasite, but only 5 types cause malaria in humans.

These are:

Plasmodium falciparum

Plasmodium vivax

Plasmodium ovale  

Plasmodium malariae

Plasmodium knowlesi

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