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Ebola Outbreak
are likely aware that several countries in West Africa are batting an Ebola Outbreak. Ebola is a dangerous and often lethal viral infection. Scientists believe that humans contracted the virus by eating the meat of rare animals is now believed that bats are the primary carriers of the virus.
2. To date ,there are only three major countries in West Africa experiencing a major outbreak :Sierra Leone ,Liberia and Guinea ver ,other countries such as Nigeria have reported confirmed cases of Ebola within their borders.
ss you recently visited one of the three affected West countries, your risk of contracting the virus is virtually zero ke other recent airborne virus outbreaks like SARS, the Ebola virus can only be spread through direct contact with an infected person ifically ,Ebola is spread through contact with body fluids. Though ,the virus is transmittable, only an infected person exhibiting symptoms is communicable .
signs and symptoms of Ebola are non-specific and patients typically exhibit them after a week of contracting the virus toms may appear as early as two days or as late as three weeks after initial infection. Symptoms include disgust, weakness and stomach pain. More uncommon symptoms include chest pain, bleeding and sore throat.
a is devastating because of its ability to attack and replicate in every organ of the body causes an overstimulation of the body's inflammatory response ,causing the flu-like symptoms virus also causes bleeding and impairs the body's normal clotting mechanism(凝血機制)，making bleeding even more severe of blood volume and decreased organ perfusion(器官灌注)，ultimately lead to organ failure and death.
current outbreak is the deadliest viral outbreak in over 35 years e diseases such as the malaria (瘧疾)are far more communicable ,Ebola is one of the world's most fatal viral infections. Ebola's fatality rate exceeds that of SARS.
(單項選擇題)paragraph 5_______
I at risk of contracting the virus?
the current outbreak the deadlines?
do I know if I have contracted the virus?
areas are currently affected?
exactly does Ebola do to the body?
caused the Ebola outbreak?
【答案】E
【考點】2015
【解析】第一句話Ebola is devastating because of its ability to attack and replicate in every organ of the body .告訴了我麼埃博拉病毒的致病機理。故答案選擇E，埃博拉病毒堆積體造成什麼樣的影響。
