| double infection of heteroserotypes of dengue viruses in field populations of aedes aegypti and aedes albopictus (diptera: culicidae) and serological features of dengue viruses found in patients in southern thailand. | in order to understand more about the epidemiology of dhf, a study of the type of dengue viruses and vectors under natural conditions was carried out. mosquito vectors in the field and the serum of dhf patients in southern thailand were examined. the two mosquito species are abundant and dhf incidence remains high in this region. dengue viruses were examined in field-caught mosquitoes by rt-pcr technique. the mosquitoes were caught in 4 provinces: krabi, phuket, phang-nga and surat thani during ... | 2006 | 17120966 |