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Lassa Fever; 11 Things You Need To Know by Nobody: 7:52am On Mar 05, 2016 |
Lassa fever is an acute viral haemorrhagic illness caused by Lassa virus and it is transmitted to humans from contacts with food or household items contaminated with rodent excreta. – Lassa frequently infects people in West Africa as it results in 300,000 to 500,000 cases annually and causes about 5,000 deaths each year. – The primary animal host of the Lassa virus is the Natal multimammate mouse, an animal mostly found in sub Saharan Africa. – After an incubation period of six to 21 days, an acute illness with multiorgan involvement develops as it affects several organs such as the liver, spleen and kidneys. – Nonspecific symptoms include fever, facial swelling, and muscle fatigue, as well as conjunctivitis and mucosal bleeding. – Lassa virus is zoonotic, that is, it is transmitted from animals, in that it spreads to humans from rodents, specifically multimammate rats. – Infection in humans typically occurs by exposure to animal excrement through the respiratory or gastrointestinal tracts. – Transmission from person to person has also been established, presenting a disease risk for healthcare workers. – Ensure to keep rodents out of homes and food supplies, as well as maintaining effective personal hygiene. Store grain and other foodstuffs in rodent-proof containers, disposing of garbage far from the home and maintaining clean households – All persons suspected of Lassa fever infection should be admitted to isolation facilities and their body fluids and excreta properly disposed of. – The overall mortality rate is estimated to be 1%, but during epidemics, mortality can climb as high as 50%. If you didn’t know, now you know!!! |
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