Sunlight Destroys Coronavirus Quickly, Say US Scientists

[Sachin200]

President Trump and Vice President Pence showcased emerging laboratory evidence on Thursday that suggests the spread of the novel coronavirus may ebb during the summer months, owing to how the virus interacts with ultraviolet light as well as heat and humidity.

At the daily press briefing of the White House coronavirus task force, William N. Bryan, the acting undersecretary for science and technology at the Homeland Security Department, detailed recent lab studies carried out by the agency at the U.S. Army’s biosecurity laboratory at Fort Detrick, Md.

The results, which have not been peer reviewed but were briefed to the press and on live television via slides, largely match other laboratory studies and the suspicions of some researchers by showing that the novel coronavirus, like many other viruses, does not survive as long when exposed to high amounts of ultraviolet light and warm and humid conditions.

The half-life is a measurement of the time it takes for a given amount of the virus to become reduced by half.

“So if we look at an 18-hour half-life, what you’re basically saying is that every 18 hours, the life of the virus is cut in half. So if you start with a thousand particles of the virus, in 18 hours, you’re down to 500, in 18 hours after that, you’re down to 250, and so on and so forth,” Bryan explained at the news conference.

A slide shared by Bryan revealed the half-life of the virus, in the absence of sunlight (indoors), lowers from 18 hours to one hour when the temperature rises from around room temperature (70 to 75 degrees) to 95 degrees and the humidity increases from 20 percent to 80 percent.

A slide from Bryan’s presentation details results from recent lab experiments of coronavirus survival under different environmental conditions.

This finding applied to the virus in contact with nonporous surfaces such as door handles. Adding in sunlight, the virus’s half-life decreases from six hours to two minutes at temperatures from 70 to 75 degrees and humidity of 80 percent. “That’s how much of an impact UV rays has on the virus,” Bryan said.

The laboratory experiment also tested how the virus decays when exposed to various elements while suspended in the air. When the airborne virus at temperatures between 70 and 75 degrees is exposed to sunlight, its half-life decreases from around 60 minutes before exposure to 1.5 minutes after.

Bryan summarized: “Within the conditions we’ve tested to date, the virus in droplets of saliva survives best in indoors and dry conditions. … The virus dies quickest in the presence of direct sunlight.”

Bryan said the results of these experiments can “support practical decision-making” to reduce the risk of infection.

“Increasing the temperature and humidity of potentially contaminated indoor spaces appears to reduce the stability of the virus,” he said. “And extra care may be warranted for dry environments that do not have exposure to solar light.”

A slide presented by Bryan also recommended moving activities outside

[RunRaajaRun123]

Summer ekkada vachedhi inka california kuda challa ganey undhi

[Amrita]

India lo summer kada ? Why increasing ? 30’s s as Nd 40’s are safe annaru ninne cnn lo they are Asymptotic but suddenly getting Strokes annadu . Memu nammam concrete ga medicine dorike varaku . 

[Sachin200]

Just now, RunRaajaRun123 said:

Summer ekkada vachedhi inka california kuda challa ganey undhi

Florida ?? 

Mana country ki idhi good news . Already propaganda lo undhi but they have some results 

[kothavani]

Nijanga bro ee bongulo corona ela tayaruayindo dani mutation endo kaani inni theories life lo.epudu vinaledu, wow okaru sun , okaru ciggerate okaru malaria tablet , vammo thu  panikimalina virus edikelli vachindo

[Amrita]

5 minutes ago, kothavani said:

Nijanga bro ee bongulo corona ela tayaruayindo dani mutation endo kaani inni theories life lo.epudu vinaledu, wow okaru sun , okaru ciggerate okaru malaria tablet , vammo thu  panikimalina virus edikelli vachindo

A Ebola medicine Remdesivir failed . Endake news read  .  6% more deaths anta. 

[Sachin200]

2 minutes ago, Amrita said:

India lo summer kada ? Why increasing ? 30’s s as Nd 40’s are safe annaru ninne cnn lo they are Asymptotic but suddenly getting Strokes annadu . Memu nammam concrete ga medicine dorike varaku . 

Asymptotic anedhi valla speculation , community spread avaledhu / less number of cases . Result of herd immunity being asymptotic 

Medicine dorakadam not anytime soon , too of that second wave Ani saying . Companies ( drug industries ) will also support the propaganda for the funding . Undadhu Ani anatle but it can be either ways 

[Sachin200]

3 minutes ago, kothavani said:

Nijanga bro ee bongulo corona ela tayaruayindo dani mutation endo kaani inni theories life lo.epudu vinaledu, wow okaru sun , okaru ciggerate okaru malaria tablet , vammo thu  panikimalina virus edikelli vachindo

Sun Ani speculation lo u dey , atleast they have some results through half life . Humidity combined with temp . Let's see 

 

[Amrita]

1 minute ago, Sachin200 said:

Asymptotic anedhi valla speculation , community spread avaledhu / less number of cases . Result of herd immunity being asymptotic 

Medicine dorakadam not anytime soon , too of that second wave Ani saying . Companies ( drug industries ) will also support the propaganda for the funding . Undadhu Ani anatle but it can be either ways 

And my office is opening on May 4th 

[quickgun_murugun]

13 minutes ago, RunRaajaRun123 said:

Summer ekkada vachedhi inka california kuda challa ganey undhi

its not about summer... UV rays.. antey ozone layer ki bokka petti UV pass cheyyalanta... Corona clear ayi cancer tho sachi 10gutharu public... 

[Prince_Fan]

great information from President Trump garu

[quickgun_murugun]

3 minutes ago, Amrita said:

And my office is opening on May 4th 

Ninnu rammanatunnara??

[Sachin200]

2 minutes ago, Amrita said:

And my office is opening on May 4th 

Ready na Mari may 4 ki ?

[quickgun_murugun]

12 minutes ago, Amrita said:

India lo summer kada ? Why increasing ? 30’s s as Nd 40’s are safe annaru ninne cnn lo they are Asymptotic but suddenly getting Strokes annadu . Memu nammam concrete ga medicine dorike varaku . 

1 minute ago, quickgun_murugun said:

its not about summer... UV rays.kills the virus anta and under certain temperatures.... antey ozone layer ki bokka petti UV pass cheyyalanta... Corona clear ayi cancer tho sachi 10gutharu public... 

Moreover India lo surfaces /Airesol spread avutundi even with 100F temps....

Possibly close ga untaru kabatti anukunta India lo... 

[Sachin200]

Just now, quickgun_murugun said:

its not about summer... UV rays.. antey ozone layer ki bokka petti UV pass cheyyalanta... Corona clear ayi cancer tho sachi 10gutharu public... 

Polluted cities in India ki Baga advantage 

USA lo percent of uv radiation ekkuva ga , it can be useful