Special Report: Fighting The New Coronavirus
Can the virus freeze to death at low temperatures? Will it disappear as the temperature rises? With the outbreak of the new coronavirus, there have been more and more questions about the virus and temperature.
These judgments lead to different conclusions no matter true or false, but they are widely circulating.
How resistant is the new coronavirus to temperature? Is it suitable for outdoor activities after the fine weather? Ma Ke, the deputy chief physician of the Department of Infectious Diseases of Tongji Hospital, answers these questions according to Zhejiang-based Jinhua Daily.
1. Is the new coronavirus more afraid of heat or cold?
Coronavirus is more sensitive to heat.
The virus is moderately stable in a suitable maintenance solution at 4 °C (39.2 °F) and can be stored for several years at -60 °C (-76 °F).
However, as the temperature increases, the virus's resistance decreases, but it must reach a certain temperature for a certain time to inactivate the virus.
2. Does the ambient temperature affect the infectivity of the virus? Is there a difference in transmission in different regions (such as Northeast and Hainan)? Will the infectivity of the virus decrease as the temperature rises?
It can survive in different body fluids and even the surface of the object at room temperature for 2-10 days. Temperature mainly affects the survival time of the virus and does not affect its infectious capacity.
Because coronaviruses can be transmitted through respiratory aerosols, inactivating the virus in various ways and adopting multifaceted protective measures can minimize the possibility of infection.
3. How much and how long does the high temperature have a killing effect on the virus? High-temperature environment disinfection? Does turning on air conditioning and heating work?
The virus is sensitive to heat and can effectively inactivate the virus when it reaches a temperature of 56 °C (132.8 °F) for 30 minutes. However, it is impossible to achieve the effect of inactivating the virus by raising the ambient temperature by heating with an air conditioner, and the effect of the virus cannot be achieved by heating the temperature.
4. In addition to fear of heat, what is the virus afraid of? (Disinfectant, ethanol, chlorine-containing disinfectant, etc., correct use)
In addition to killing the virus at high temperatures, lipid solvents such as ether, 75% ethanol, chlorine-containing disinfectants, peracetic acid, and chloroform can effectively inactivate the virus.
Air disinfection method:
1. Some people open the window twice a day for 30 minutes each time.
2. When there is an ultraviolet lamp, irradiate the ultraviolet lamp once a day in an unmanned room for more than 1 hour each time.
3. Disinfection method for the surface and ground of environmental objects: use 1000mg/L chlorine-containing disinfectant or peroxyacetic acid and hydrogen peroxide paper towels to wipe and disinfect thoroughly, twice a day.
Experts remind:
First, the sun's irradiation temperature cannot reach 56 degrees, and the intensity of ultraviolet rays in sunlight can not reach the intensity of ultraviolet lamps.
Second, it needs a duration of 56 degrees and 30 minutes, and the ultraviolet lamp is irradiated for 60 minutes. The conditions must be met at the same time, which is difficult to achieve in the ordinary outside environment.
Disinfection chemicals, like ethanol or propanol, chlorine or any bleach solutions based on chlorine, vinegar, etc. certainly help to fight the virus. Even if these chemicals do not destroy the virus, but they can very well make it less virulent or contagious. Sun light also proves efficiency in our combat against the virus. Counties like: USA, China, Russia and some others could in this strategy observe the potency of this virus in places with very large difference in weather temperature. Let 's see, after a time we have clear records, if we can see any 'behavior' discrepancy of the coronavirus… Read more »
the are no citation as to source of this data until citations are provided this data is considered to be fake.
This translation is very imprecise and many of the statements leave you hanging and wanting an accurate response...which isn't forthcoming. Unfortunately, I learned very little from this article.
"and the ultraviolet lamp is irradiated for 60 minutes." HUH? That is not even English. This article is totally wrong. Where are your references? And don't try to reference those ignorant articles trying to debunk sunlight. They are carefully written to avoid the difference between "curing the virus in infected humans" and killing the virus on surfaces.
the person, experts is not to be found outside of any such news stories, please provide a link tot he persons crednetials; Ma Ke, deputy chief physician of the Department of Infectious Diseases of Tongji Hospital And this article was obviously not written by a native chinesse speaker, so therfore is fake
@steve ATx Hi Steve, apologizes for that. We have added the source for this story, though it is in Chinese. Thank you for reminding us.
Is it known whether a sauna, either infra-red or conventional steam, ha any effect on coronavirus?
Fla. temperatures in a parked car get mighty hot. Is that hot enough to kill the coronavirus if left alone for 3 days?
basicly we are all screwed!
I bet arizona citizens are the ones that have the 122 degrees that does well over summer months. But summer doesn’t last forever so this virus may never be completely gone. If we all lived like the character Mr. Monk in the first place (Tony Shalhoub)) this would have never happened! Shame on everyone !
Are all UV lamps UV-C?
can simple mobile heat chambers where hospital PPE and certain equipment etc that can handle temperatures above 56oC and be held for say 2 hours be used to kill coronavirus of all the equipment.
does the ultra violet light kill the virus or is it the action of ozone?. Is it useful to use a hand held battery operated device to place the UV near surfaces. That is - to 'brush' surfaces with UV.
@peter reynolds It's not the heat that kills the virus, it's sunlight's ability to raise immunity as people go outside more often, and wear less clothing and get sun exposure as warmer temperatures occur. The vitamin d level goes up increasing ones immunity.
That is why flu happens in the winter.
Fridge temperature- what temp will kill the virus in your fridge?
FYI, I and others in my area regularly use Sweat Lodges for Prayers and well being of ourselves and for our loved ones and community members. During these ceremonies, the temperatures within the closed environment reach very high temperatures. Also when we splash the red hot rocks, which we call grandfathers with medicine water that is boiled with herbs and brought into the Lodge. The splashed Red Hot grandfathers generates boiling temperatures of steam far in excess of steam rooms. This goes on from 2 to 2.5 hours when we are in prayers. These temps we generate exceeds the survivability… Read more »