Trans fatty acids (TFAs), occur both naturally in foods and can be formed or added to foods during manufacture.Naturally occurring TFAs are found in some animal products including butter, cheese and meat.rans fatty acids (TFAs), occur both naturally in foods and can be formed or added to foods during manufacture.
The virus, a member of the virus family Arenaviridae, is a single-stranded RNA virus and is zoonotic, or animal-borne. In areas of Africa where the disease is endemic (that is, constantly present), Lassa fever is a significant cause of morbidity and mortality. While Lassa fever is mild or has no observable symptoms in about 80% of people infected with the virus, the remaining 20% have a severe multisystem disease. Lassa fever is also associated with occasional epidemics, during which the ...
Lassa fever occurs more often in the dry season, rather than in the rainy season. It is the most commonly exported hemorrhagic fever; its victims carry the disease from Africa to the United States, to the United Kingdom, tp the Netherlands, Israel, and Japan.