A sanitation and epidemic prevention worker sprays disinfectant onto tents in which local residents temporarily live in Hanwang Township of Mianzhu City, southwest China's Sichuan Province, May 19, 2008. The epidemic prevention efforts have been strengthened in the quake-stricken areas in Sichuan as the temperature is getting higher.

Soldiers of the People's Liberation Army (PLA) spray disinfectant in Dujiangyan City, southwest China's Sichuan Province, May 19, 2008.

A volunteer from Chengdu Medical College sprays disinfectant in rooms in which local residents temporarily live in Chengdu, southwest China's Sichuan Province, May 19, 2008.

(Xinhua News Agency May 21, 2008)