KNOW THE FACTS: WHAT IS IT? It is an acute viral infection associated with persistent high fever caused by Lassa Virus. WHERE IS IT FOUND? It was discovered first in Lassa, Borno State, Nigeria in 1969. However, it can be found in other places, especially in West Africa e.g. Liberia, Guinea and Seirra Leone.
HOW IS IT SPREAD?
People become infected by eating infected bush rat or eating food contaminated with the rat excreta/urine deposited on surfaces such as floors, beds, household utensils or in food and water (e.g. grains spread out to dry along the roads by farmers). Person to person spread also occurs by direct contact or inhalation of infected body fluids such as blood, urine, saliva, throat secretions etc..
WHO CAN BE INFECTED?
All age groups. Persons at greater risk are those in areas of poor sanitation and health workers managing such cases.
WHAT ARE THE SIGNS AND SYMPTOMS?
The illness usually starts with fever, general weakness and malaise. Other signs and symptoms are headache, sore throat, pain behind the breast bone, nausea, vomiting, diarrhea, cough, abdominal pain and red spots. In severe cases, it may progress to swollen face, bleeding (from mouth, nose, and vagina), gastrointestinal tract and low blood pressure.
HOW CAN LASSA FEVER BE PREVENTED?
- Avoid contact between rats and human beings;
- Keep your house and Environmnt clean.
- Cover all foods and water properly.
- Cover all foods and water properly.
- Cook all foods thoroughly
- Block all rat hideouts
- Do not spread food where rats can have access to it.
- And as soon as you suspect Lassa fever, or you have persistent fever not responding to the standard treatment for malaria and typhoid, report to the nearest Health facility.
TREATMENT OF SUSPECTED CASES
Early treatment with Oral Ribavirin is recommended. In severe infection, injection of Ribavirin is used. Barrier nursing is highly recommended.
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Federal Ministry of Health/NEMA