Surveillance,prevention and control of Tsutsugamushi disease and chigger mite

The main reservoir host of tsutsugamushi disease are rodents(Rattus losea,R.tanezumi,R.novegicus,Niviventer confucianus,Apodemus agrarius,etc).Chigger mite is the only vector.In China,the main vector are Leptotrombidium deliense and L.scutellare.In endemic area,the density of chigger mite and incidence of tsutsugamushi disease are positively correlated,hence,surveillance mite density have important significance to forcast epidemic situation.No vaccine for tsutsugamushi disease are yet available.Prevention and control strategy:environmental management,disinsection,personal protection,deratization.