Children 's exposure to second-hand smoke is most likely to happen at home , and the double blo of infectious diseases and tobacco " seems to be adeadly bination for children in these regions " , they said .

他们称,儿童在家中暴露于二手烟的情况最多,传染病和烟草的双重侵害"对于这些地区的儿童似乎是一个致命的组合"。