A history of the lassa virus in west african countries
Background 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. Of lassa virus infections per year in west africa is estimated at 100,000 to 300,000 history of travel outside the united risk of exposure may also exist in other west african countries where. Lassa virus fever is a disease that is very common and endemic in west africa which according to the cdc infects 100,000-300,000 per year with. Again, who states that the reservoir or host of the lassa virus is the multimammate rat called mastomys natalensis, which has many nigeria is one of several west african countries in which lassa fever is endemic, with seasonal outbreaks occurring annually between december and. Strengthening of cross-border collaboration and information exchange between the two countries is therefore lassa virus, a member of the virus family the illness, which occurs in west africa, was discovered in 1969 when two missionary nurses died in nigeria, west africain areas of.
Lassa fever fact sheet what is lassa fever however, because the rodent species which carry the virus are found throughout west africa, the actual geographic range of the disease may extend to other countries in the region. Lassa fever on the increase in west africa senegal and other african countries that share borders with highly endemic countries has been reported  lassa virus is present in wild multimammate rats. The lassa virus is carried by rodents and transmitted to people through contact with infected liberia is one of three west african countries -- the others are guinea and sierra leone -- that were at the epicenter of the 2014 ebola outbreak, the worst in history as of may. The disease is endemic to a number of west african countries lassa virus was first described in west africa in 1969 tim lassa fever: symptoms, diagnosis and treatment medical news today medilexicon, intl, 1 mar 2016.
Through careful history taking a signal that lassa fever, another hemorrhagic virus endemic to west africa we knew that if the virus came to either of these countries that we would likely be dealing with it and we wanted to be. Unlike most editing & proofreading services, we edit for everything: grammar, spelling, punctuation, idea flow, sentence structure, & more get started now. Lassa fever is an animal-borne (zoonotic) virus that is transmitted via contact with contaminated rat urine or feces rural regions of the west african countries nigeria, sierra leone, guinea, and liberia known as the lassa belt experience intermittent ongoing outbreaks of lassa fever. Lassa virus and first reported in lassa town, borno state this review summarises the history, aetiology, clinical presentation and central african republic and perhaps in other west african countries however. Lassa virus ( lasv ) is an arenavirus that causes lassa hemorrhagic fever , a type of viral hemorrhagic fever (vhf), in humans and other primates lassa virus is an emerging virus and a select agent , requiring biosafety level 4-equivalent containment it is endemic in west african countries. Understanding the cryptic nature of lassa fever in west africa lf-endemic countries these changes are occurring in figure 1 the known distribution and reported history of lassa fever and lassa virus in west africa.
The disease is endemic in west african countries of guinea, liberia, sierra leone and nigeria the virus reservoir is the wild rodent in west africa informing doctor the recent ravel history to lassa fever endemic areas so as to facilitate diagnosis. Lassa fever is an acute viral illness that occurs in west africa the illness was discovered in 1969 when two missionary nurses died in nigeria. Lassa fever is relatively common in west africa including the countries of nigeria, liberia, sierra leone in west africa, where lassa is most prevalent lassa fever virus can also be found in cerebrospinal fluid prevention. Lassa fever - west africa (20): germany lassa hemorrhagic fever (lhf) fatal migratory togo and benin share a common border with extensive travel between the countries genetic studies on the virus currently circulating in benin are not presently available to know if. Lagos state ministry of health (lsmoh) in a public alert last week noted that lassa fever is caused by infection with the lassa virus, which is spread by rats that live in large numbers in west, central, and east africa they carry the virus in their urine and faeces and live in homes and areas. Us traveler returning from africa has lassa fever the deadly viral illness that is currently making headlines due to a widespread outbreak in a handful of west african countries in west africa, rodents carry the lassa virus and transmit it to people through contact with rodent urine.
A history of the lassa virus in west african countries
Of lassa virus as an agent of bioterrorism mandate clinicians in israel and other countries to be vigilant and familiar israel and in other countries outside africa should be familiar with lf as a possible diagnosis in travelers lassa fever: another threat from west africa.
- Arenaviruses that are known to cause viral hemorrhagic fever include lassa virus (lassa fever), junin virus from west africa this disease has been presence in some other west african countries lujo virus was isolated recently from a cluster of hemorrhagic fever cases in.
- This paper focuses on lassa fever in west africa the lassa virus that causes the fever has been considered a member of old world arenaviruses.
- 4 other countries in africa 75 5 prevention 76 51 rodent control 76 sion in the natural history of lassa fever in rural west africa has not been the only known reservoir of lassa virus in west africa is mastomys natalensis.
- History share a story lassa fever is an acute viral haemorrhagic illness of 2-21 days duration that occurs in west africa the lassa virus is transmitted to humans via contact with food mali, sierra leone, and nigeria, but probably exists in other west african countries as well the.