随着天气逐渐变冷，许多人会在被窝里放一个“取暖神器”——热水袋、电暖宝等，然而，有些人第二天醒来后发现，皮肤与“取暖神器”接触的地方，竟然被低温烫伤，出现了一个个大水疱…… · ...

BEIJING, Jan. 12 (Xinhua) -- There are no new infectious diseases in China, and the current respiratory infectious diseases in the country are all caused by known pathogens, according to an expert ...