Infectious Disease: Malaria Essay

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Section 1 Malaria General Information Malaria is a common infectious disease found mainly in the tropics but in rare circumstances can be found in temperate areas. Depending on the circumstances malaria can be either life threatening cause serious illness. It is caused by parasites of the Plasmodium species(in text reference). These parasites are carried by mosquitoes which become infected after biting someone who has malaria. Malaria is then passed on to others when the infected mosquito bites another person. In rare cases malaria can be passed to another person through blood transfusions, organ donations or shared needles. On average there are around 300-500 million people who become infected with malaria every year, with most of the…show more content…
Signs and Symptoms Symptoms that are usually associated with yellow fever include fever, poor appetite, nausea, chills, muscle pains in the back and headaches abdominal back pain. These symptoms usually subside after five days. These symptoms sometimes reoccur. Abdominal pain and liver damage starts causing yellow skin. There also is a higher chance of kidney problems. About 15-15% then proceed to the ‘toxic’ stage of which around 50% then die around 14 days after catching yellow fever. Dengue Fever General Information Dengue fever is a mosquito-transmitted virus, it is a Flavivirus which is the same genus as yellow fever. There are five different varieties of the virus and being infected usually gives lifelong immunity to that particular variety and short-term immunity to the other varieties. However this also increases the risk of having a severe reaction to the other types, this risk rises with exposure to another type and so on. Symptoms and Treatment Symptoms from the virus include headaches, back pain, joint pains, fever and a skin rash, which is similar in appearance to measles. A small percentage of infections the disease develops into a life threatening dengue haemorrhagic fever, which results in bleeding, low levels of blood platelets and blood plasma leakage. The other life threatening possibility is dengue shock syndrome; this
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