Lassa fever

Up to 300 000 cases of Lassa fever with about 5000 deaths are recorded annually in the. 4 hours agoLassa fever is less frequently reported from Mali Burkina Faso Ghana Togo Benin and Ivory Coast.

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The Lassa virus which can cause an acute viral hemorrhagic illness called Lassa fever is usually transmitted through exposure to food or household items contaminated with urine or feces of.

. Primary transmission of the Lassa virus from its host to humans can be prevented by avoiding contact with Mastomys rodents especially in the geographic regions where outbreaks occur. The virus itself may be cultured in 7 to 10 days but this procedure should only be. Signs and symptoms of Lassa fever typically occur 1-3 weeks after the patient comes into contact with the virus.

Currently there is no vaccine for Lassa fever. The first documented case occurred in 1969. Up to 300 000 cases of Lassa fever with about 5000 deaths are recorded annually in the endemic countries.

Describe at least two risk factors of Lassa fever. Lassa fever is an acute viral hemorrhagic disease caused by the Lassa virus. It is primarily transmitted to humans either through direct contact with infected Mastomys rodents or through food or household items contaminated with the urine or faeces of infected rodents.

For the majority of Lassa fever virus infections approximately 80 symptoms are mild and are undiagnosed. Reverse transcription-polymerase chain reaction RT-PCR can be used in the early stage of disease. Unlike Ebola virus Lassa fever is not as contagious person to person nor as deadly.

It has been shown to be most effective when given early in the course of the illness. Ribavirin an antiviral drug has been used with success in Lassa fever patients. Lassa fever is a viral disease spread by the the multimammate rat.

Name at least two countries where Lassa fever is endemic. In 20 of infected individuals however. 22 hours agoOndo records 34 Lassa fever-related deaths 227 cases Cumulatively from week 1 to week 17 in the year 2022 149 deaths have been reported with a.

Lassa virus is typically transmitted by the urine or feces of Mastomys rats to humans. Neighboring countries are also at risk because the animal vector lives throughout the region. Less commonly there may be bleeding from the mouth or gastrointestinal tract.

It mainly affects people in parts of West Africa where there are about 300000 cases of Lassa fever and about 5000 deaths from it each year. Lassa fever is mostly reported from West African countries including Sierra Leone Liberia Guinea and Nigeria where it is endemic. Mild symptoms include slight fever general malaise and weakness and headache.

The risk of death once infect. It is widespread in many African countries such as Liberia and Sierra Leone and it. It has been known since the 1950s but the virus was not identified until 1969 when two missionary nurses died from it in the town of Lassa in Nigeria.

The case involved a Nigerian citizen with extensive travel history in rural parts of Nigeria before falling ill and he received medical treatment in South Africa. Up to 300 000. Many of those infected by the virus do not develop symptoms.

Lassa fever is most often diagnosed by using enzyme-linked immunosorbent serologic assays ELISA which detect IgM and IgG antibodies as well as Lassa antigen. Patients should also receive supportive care consisting of maintenance of appropriate fluid and electrolyte balance oxygenation and blood pressure as well as. What you will learn.

Lassa fever is known to be endemic in Benin Ghana Guinea. When symptoms occur they typically include fever weakness headaches vomiting and muscle pains. Using these rodents as a food.

Lassa mammarenavirus is an emerging virus and a select agent requiring Biosafety Level 4-equivalent containmentIt is endemic in West African countries especially Sierra Leone the Republic of Guinea Nigeria and. Although to a lesser extent transmission can also occur from human-to. Health workers may be infected by direct contact with blood body fluids urine or stool of a patient with Lassa fever.

Lassa fever is a viral haemorrhagic fever transmitted by rats. Though to a lesser extent secondary human-to-human transmission can also occur through direct contact with the blood secretions organs or other body fluids of infected persons especially in health. 7 hours agoCases of Lassa fever in travellers returning from endemic countries are reported from time-to-time.

Lassa fever is a viral disease thats spread by rats. By the end of this training you will be able to. It is endemic in parts of West Africa including Sierra Leone Liberia Guinea and Nigeria.

6 hours agoIt said Lassa fever is a viral infection that is endemic to West African countries and mostly reported in Sierra Leone Liberia Guinea and Nigeria. Transmission of Lassa virus to humans occurs most commonly through ingestion or inhalation. Lassa fever is a viral haemorrhagic fever that is primarily transmitted to humans via contact with food or household items contaminated with urine or faeces from Mastomys rats.

Lassa fever is an acute viral haemorrhagic illness caused by Lassa virus a member of the arenavirus family of viruses. It is transmitted to humans from contacts with food or household items contaminated with rodent excreta. Putting food away in rodent-proof containers and keeping the home clean help to discourage rodents from entering homes.

Because Mastomys rodents often live in. The disease is endemic in the rodent population in parts of West Africa. In 2007 a case of Lassa fever was diagnosed in South Africa.

This video the first in a two-part training series on Lassa fever provides an overview describing the epidemiology and clinical presentation of the virus. Mastomys rodents shed the virus in urine and droppings and direct contact with these materials through touching soiled objects eating contaminated food or exposure to open cuts or sores can lead to infection. Lassa fever is one of the hemorrhagic fever viruses like Ebola virus Marburg virus and others.

Lassa mammarenavirus LASV is an arenavirus that causes Lassa hemorrhagic fever a type of viral hemorrhagic fever VHF in humans and other primates. Lassa fever also known as Lassa hemorrhagic fever LHF is a type of viral hemorrhagic fever caused by the Lassa virus. Lassa fever is an animal-borne or zoonotic acute viral illness spread by the common African rat.

2 hours agoLassa fever is a viral infection that is endemic to the West African countries and mostly reported in Sierra Leone Liberia Guinea and Nigeria. Found predominantly in west Africa 1 it has the potential to cause tens of thousands of deaths.

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