It revealed that the population density was related with the latitudes. climate hygiene condition and management of mosquito control.

不同地区蚊虫密度差异较大，可能与地理纬度、气候条件、环境卫生及采取的灭蚊措施有关。

youdao

Objective to determine the water quality and hygiene condition of swimming places in Nanning and to prevent widespread of the associated infectious diseases.

目的了解南宁市游泳场所水质卫生状况，防止相关传染病的传播。

youdao

Supervision on hygiene of public place should be strengthened in order to find out hygienic hidden trouble, and improve the hygiene condition of public places.

加强公共场所卫生监督监测，及时发现卫生隐患，以便有针对性地改进公共场所的卫生状况。

youdao

Tiffany White, from Gloucester, said there were poor hygiene standards at the hospital shortly before her son Oscar Wilcox died from a complex cardiac condition.

BBC: Rachael Puaca and Christopher Casey