نتایج جستجو برای: discovering unknown cities
تعداد نتایج: 281373 فیلتر نتایج به سال:
BACKGROUND Aedes aegypti is the primary vector of the four serotypes of dengue virus (DENV1-4), Chikungunya and yellow fever virus to humans. Previous population genetic studies have revealed a particular genetic structure among the vector populations in the Americas that suggests differences in the ability to transmit DENV. In Colombia, despite its high epidemiologic importance, the genetic po...
BACKGROUND Since 2003, a harm reduction program for injecting drug users has been rolled out countrywide in China. It entails services for condom promotion, a needle and syringe program (NSP), and methadone maintenance treatment (MMT). However, it remains unknown if and to what extent the coverage of these services at city level is related to a reduced risk of HIV infection among drug users. ...
although most parts of iran is free of malaria owing to appreciable struggle against this disease by the ministry of public health, in every case of fever of unknown origin (fuo) possibility of malaria should not be neglected. unjustified administration of antibiotics can delay the diagnosis because of diminishing effect in number of malaria parasites in peripheral blood. for this reason freque...
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