Rumor identification: Snowfall does not kill NIV by freezing. Rumor analysis: 1, the new coronavirus is sensitive to heat, 56 ℃ for 30 minutes, as well as ether, 75% ethanol, chlorinated disinfectants, peroxyacetic acid and chloroform and other fat solvents can effectively inactivate the virus. Low temperature does not kill the new coronavirus, the virus is cold and heat resistant, and low temperature prolongs its survival time in the environment. Therefore, snowfall can not freeze such virus. 2, snowy weather on the epidemic relief is not much, because the new coronavirus through droplets, contact and other close transmission, and the so-called “snow can freeze the new coronavirus” argument does not have any scientific basis. Regardless of the weather, it is more important to do your own protection work, should be scientific and rational. Special tips: After the snow does not let down your guard, cold weather can easily induce colds and other respiratory diseases, so during the period should be minimized outside, avoid close contact with others, is an effective way to block the spread of the virus. When you must go out, you should wear a mask correctly, avoid contact with public objects, and be sure to wash your hands properly after returning from going out.