Is it all rat that causes Lassa fever?

The reservoir, or host, of Lassa virus is a rodent known as the “multimammate rat” (Mastomys natalensis). Once infected, this rodent is able to excrete virus in urine for an extended time period, maybe for the rest of its life.

What kind of rat gives Lassa fever?

Lassa fever is a viral infection carried by the multimammate rat Mastomys natalensis (M. natalensis). This is one of the most common rodents in equatorial Africa, found across much of sub-Saharan Africa.

How do rats get infected with Lassa fever?

Viral spread People can contract Lassa virus from direct contact with the African soft-furred rat (Mastomys natalensis) — such as by eating them. And infected rodents can indirectly transmit the virus by salivating or urinating on rice, cassava and other crops stored in barrels or left to dry in the sun.

Can Lassa fever be cured?

Ribavirin, an antiviral drug, has been used with success in Lassa fever patients. It has been shown to be most effective when given early in the course of the illness.

How long does Lassa fever last?

Lassa fever is an illness caused by Lassa virus, a single-stranded RNA hemorrhagic fever virus from the family Arenaviridae. It is an acute febrile viral illness lasting one to four weeks, and it occurs in West Africa and some areas beyond.

What is the treatment for Lassa fever?

Is Lassa fever contagious?

Lassa fever facts Unlike Ebola virus, Lassa fever is not as contagious person to person, nor as deadly. Lassa virus is typically transmitted by the urine or feces of Mastomys rats to humans. Health workers may be infected by direct contact with blood, body fluids, urine, or stool of a patient with Lassa fever.

What are the early signs and symptoms of Lassa fever?

The signs and symptoms of Lassa Fever is usually gradual. It starts with fever general weakness, and malaise. After a few days, headache, sore throat, muscle pain, chest pain, nausea, vomiting, diarrhoea, cough, and abdominal pain may follow.