A history of lassa fever in west africa

According to wikipedia, lassa frequently infects people in west africa it results in 300,000 to 500,000 cases annually and causes about 5,000 deaths each year. At least 21 people died from lassa fever in nigeria last month dw talks to the head of the nigeria centre for disease control (ncdc) about what is being done to prevent more fatalities dw: why. Lassa fever national center for emerging and zoonotic infectious diseases division of high-consequence pathogens and pathology (dhcpp) lassa fever is an acute viral illness that occurs in west africa. Lassa fever outbreaks in west africa can be seen in red (map by andrew schroeder/direct relief) since the end of december, the countries of liberia and nigeria in west africa have experienced significant outbreaks of the viral hemorrhagic disease lassa fever.

Lassa fever is not a new disease, but the current outbreak is unprecedented, spreading faster and further than ever before health workers are overstretched, and a number have themselves become. Lassa fever outbreaks have been confirmed across five west african countries, including nigeria, benin, sierra leone, togo, and burkina faso in nigeria, the index case emerged on 16 december 2016. The known distribution and reported history of lassa fever and lassa virus in west africa disease and diagnosis in humans lasv causes a wide spectrum of disease manifestations, ranging from asymptomatic infections to acute and severe disease.

Lassa fever is one of the hemorrhagic fever viruses, occurring in west africa sub-regions in similar areas as ebola virus sierra leone, liberia, ghana, and nigeria are most often affected sierra leone, liberia, ghana, and nigeria are most often affected. Lassa fever is an acute, viral disease carried by a type of rat that is common in west africa it can be life-threatening it is a hemorrhagic virus, which means it can cause bleeding, although 8. Lassa fever, a deadly virus likened to the plague, is tightening its grip on nigeria as it spreads across the west african country with no cure in sight the death rate among reported cases of the. An american doctor who was working with missionaries in west africa is being moved to an isolation ward at an atlanta hospital on friday with a suspected case of lassa fever, a deadly hemorrhagic.

Lassa fever is relatively common in west africa including the countries of nigeria, liberia, sierra leone, guinea, and ghana [1] [2] there are about 300,000 to 500,000 cases which result in 5,000 deaths a year. Lassa fever is endemic in parts of west africa, to include the following areas: lassa fever: lassa fever or lassa hemorrhagic fever (lhf) is an acute viral hemorrhagic fever caused by the lassa virus and first described in 1969 in the town of lassa, in borno state, nigeria. Lassa fever is widespread in west africa (nigeria, liberia, sierra leone, guinea, senegal, mali), some countries in central africa (central african republic, burkina faso) imported cases of infection were registered in europe, usa, israel and japan. Lassa fever is an acute and sometimes severe viral hemorrhagic illness endemic in west africa one important question regarding lassa fever is the duration of immunoglobulin g (igg) antibody after infection.

Why is nigeria experiencing a record-high outbreak of lassa fever they’ve shown that it is common in west africa, and causes many thousands of cases every year lassa fever has. Lassa fever is an acute viral haemorrhagic fever illness that is known to be endemic in various west african countries including nigeria as of 9 june 2017, a total of 501 suspected cases including 104 deaths have been reported since the onset of the current lassa fever outbreaks season in december 2016. The lassa fever virus was concluded to be one of the haemorrhagic fever viruses occurring in the west africa sub-region in similar areas as the ebola virus the most affected areas include sierra leone, liberia, ghana and ofcourse nigeria. Lassa fever, an arena-virus, is an acute viral illness that typically occurs in blacks in west africa but why the illness was discovered in 1969 when two missionary nurses died in nigeria, according to the center for diseases control.

A history of lassa fever in west africa

Lassa fever is a known risk in west africa it occurs in benin, burkina faso, ghana, guinea, liberia, mali, nigeria, sierra leone, togo and other west african countries nigeria is currently experiencing an outbreak of lassa fever. Lassa virus is the most clinically significant of the arenaviridae, accounting for serious morbidity and mortality in west africa lassa fever first appeared in lassa, nigeria, in 1969 it has been found in all countries of west africa and is a significant public health problem in endemic areas. Lassa fever is caused by a viral haemorrhagic arenavirus that affects two to three million people in west africa, causing a mortality of between 5,000 and 10,000 each year the natural reservoir of lassa virus is the multi-mammate rat mastomys natalensis, which lives in houses and surrounding fields.

  • 1 introductionlassa fever (lf) is an acute and sometimes severe viral hemorrhagic illness caused by lassa virus (lasv), a member of the family arenaviridae (enria et al, 2006)lf is endemic in parts of west africa, where up to 300,000 cases and 5000 deaths occur yearly (mccormick et al, 1987b)humans contract lf primarily through contact with contaminated excreta of rodents of the genus.
  • The world health organisation this week described the spread as the largest lassa fever outbreak ever recorded in nigeria those travelling to nigeria and other countries in west africa should be.
  • Lassa fever is endemic in west africa and has been reported from sierra leone, guinea, liberia, and nigeria some studies indicate that 300,000 to 500,000 cases of lassa fever and 5000 deaths.

Lassa fever is a potentially fatal acute viral illness caused by lassa virus which is carried by rodents and is endemic in some west african countries importation of emerging infections such as lassa fever, ebola virus disease and other viral hemorrhagic fevers into non endemic regions is a growing. Lassa fever (lf), a rodent-borne viral haemorrhagic fever, is gaining recognition as an important endemic disease with severe impacts on some of west africa’s poorest communities. The lassa virus can wipe out entire families it is transmitted by rats and is endemic to west africa – so why is there no vaccine lina moses shares her experiences of working in sierra leone. Lassa fever is an acute viral haemorrhagic illness of 2-21 days duration that occurs in west africa about 80% of people who become infected with lassa virus have no symptoms 20% of infections result in severe disease, where the virus affects several organs such as the liver, spleen and kidneys.

a history of lassa fever in west africa Abstract lassa fever is a viral hemorrhagic illness responsible for disease outbreaks across west africa it is a zoonosis, with the primary reservoir species identified as the natal multimammate mouse, mastomys natalensisthe host is distributed across sub-saharan africa while the virus's range appears to be restricted to west africa. a history of lassa fever in west africa Abstract lassa fever is a viral hemorrhagic illness responsible for disease outbreaks across west africa it is a zoonosis, with the primary reservoir species identified as the natal multimammate mouse, mastomys natalensisthe host is distributed across sub-saharan africa while the virus's range appears to be restricted to west africa. a history of lassa fever in west africa Abstract lassa fever is a viral hemorrhagic illness responsible for disease outbreaks across west africa it is a zoonosis, with the primary reservoir species identified as the natal multimammate mouse, mastomys natalensisthe host is distributed across sub-saharan africa while the virus's range appears to be restricted to west africa. a history of lassa fever in west africa Abstract lassa fever is a viral hemorrhagic illness responsible for disease outbreaks across west africa it is a zoonosis, with the primary reservoir species identified as the natal multimammate mouse, mastomys natalensisthe host is distributed across sub-saharan africa while the virus's range appears to be restricted to west africa.
A history of lassa fever in west africa
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