| silent transmission of virus during a dengue epidemic, nakhon pathom province, thailand 2001. | in the year 2001 a large dengue fever (df)/dengue hemorrhagic fever (dhf) outbreak occurred in nakhon pathom province, thailand. three thousand one hundred twelve cases of dhf were reported, an attack rate of 393 per 100,000 population. the nakhon pathom provincial health office immediately carried out a control action according to who recommendations. active serological surveys and viral rna isolation were carried out to detect silent transmission of dengue virus in 329 healthy volunteers in na ... | 2006 | 17333731 |