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 ...
The human immunodeficiency virus (HIV), which causes AIDS, varies in prevalence from nation to nation. Listed here are the prevalence rates among adults in various countries, based on data from various sources, largely the CIA World Factbook.As of 2009, it is estimated that there are 33.3 million people worldwide infected with HIV.ver 60% of all people living with HIV reside within the region. Adult HIV prevalence exceed 20% in Swaziland, Botswana, and Lesotho, while an additional six countries report adult HIV prevalence of at least 10%.