[Investigation on anopheline species in Chayu County, Linzhi Prefecture of Tibet Autonomous Region].

Objective: To investigate Anopheline species in Chayu County of Linzhi Prefecture, Tibet.

Methods: Four natural villages in Chayu County were selected in this study in 2010. The methods of overnight/semi-overnight trapping indoor and outdoor human-bait, and overnight trapping with light traps were used, and all the Anopheline mosquitoes were confirmed by morphological characteristics.

[Influencing factors on infections of human intestinal helminthes in suburb of Shangyu City].

The infections of human intestinal helminthes and socioeconomic status were investigated in suburb of Shangyu City in 1990 and 2005, respectively. The results showed that the economic status, the save drinking water and latrines, working environment, and health habits and consciousness of the residents improved obviously. The infection rate of intestinal helminthes decreased significantly and the prevalence of intestinal helminthosis was controlled effectively.

[Application of Susceptible-Infected-Recovered model in dealing with an outbreak of acute hemorrhagic conjunctivitis on one school campus].

To simulate intervention measures in controlling an outbreak of acute hemorrhagic conjunctivitis on one school campus by using the Susceptible-Infected-Recovered (SIR) model, to provide evidence for preparedness and response to the epidemic. Classical SIR model was used to model the epidemic. Malthusian exponential decline method was employed to estimate the infective coefficient β for interventions.

[An epidemiological analysis on malaria in Linzhi district of Tibet in 1986-2004].

Objective: To investigate the epidemiological characters of malaria in Linzhi district of Tibet.

Methods: A retrospective analysis on the epidemiology of malaria was carried out using the data on malaria situation in Linzhi district of Tibet in 1986-2004, referring to the distribution of season, population and region.

Results: The accumulative number of malaria cases in the period of 1986-2004 was 2459.