Need to strengthen the molecular surveillance in peru. This flavivirus is a single strand rna virus that after their translation and replication in host cells produces three structural. Four distinct serotypes of the dengue virus dengue1, dengue2, dengue3, and dengue4 exist, with numerous virus strains found worldwide. The new clinical classifications are dengue and severe dengue. You can be infected by at least two if not all four types at different times during your lifetime, but only once by the same type. Molecular cloning methods have led to a greater understanding of the structure of the rna genome and definition of virus specific structural and nonstructural proteins. Each year, an estimated 390 million people are infected. Over the past 5 decades, cases of epidemic or sporadic dengue have been reported in many countries. The disease is caused by four serologically and genetically distinct viruses termed dengue virus denv 1, 2, 3 and 4. Transmission dengue virus can be transmitted from the bite of an infected aedes mosquito. Virus del dengue o 19 hv xq yluxv lfrvdhgur gh qp dsurl. Dengue fever can be caused by any one of four types of dengue virus.
Each denv has four or more genetic groups or genotypes. When their distribution is combined with rapid population growth, unplanned urbanization, and increased international travel, extensive transmission of denv is likely in africa figure 2,4. Dengue is among the most important mosquitoborne viral disease in the world. Four distinct serotypes of the dengue virus dengue 1, dengue 2, dengue 3, and dengue 4 exist, with numerous virus strains found worldwide. Periodo prepatogenico factores del huesped huesped. A risk to anyone traveling to a tropical or subtropical region of the world where dengue virus is found. Dengue is likely underrecognized and underreported in africa because of low awareness by health care providers, other prevalent febrile illnesses, and lack of diagnostic testing. Africa and can serve as vectors of dengue virus denv.