The COVID-19 Science and Medicine Question Thread

Ultra Violet Sanitizers

Not looking for an recommendation on this particular product, but in general are they effective for small areas such as facial masks, bits of counter tops etc. I’m sure that protection of ones eyes is paramount. I no longer own a car so I don’t have a rear view mirror.
 
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Ultra Violet Sanitizers

Not looking for an recommendation on this particular product, but in general are they effective for small areas such as facial masks, bits of counter tops etc. I’m sure that protection of ones eyes is paramount. I no longer own a car so I don’t have a rear view mirror.
I wonder if my UV light i USE for detecting HVAC leaks would work
 
Ultra Violet Sanitizers

Not looking for an recommendation on this particular product, but in general are they effective for small areas such as facial masks, bits of counter tops etc. I’m sure that protection of ones eyes is paramount. I no longer own a car so I don’t have a rear view mirror.

I wonder if my UV light i USE for detecting HVAC leaks would work


The only recommendation I can give is NOT! For effective sterilization, without making yourself a lobstah or blind, you need a proper wavelength in a sealed chamber. Kids, don't try this at home...

I'm sure we'll be seeing a spate of "COVID-19 UV Sanitizers" popping up left and right, but it will be doubtful they were properly tested for efficacy and/or safety.
 
R7- (and others) great job on this thread. Being retired we go out once a week for groceries and a take-out place but other than walking at our nearby park, have really stayed at home. Better half at jigsaw puzzles and me making another model, HMS Warspite this time. Question-
We already had a couple dozen dust masks I use sanding (and the couple that better half sewed for herself), along with a box of latex (?) gloves I wear when dressing a deer. If I hang these out on the patio in full sun for a couple of days, turning them inside out etc. and then washing my hands, they can be reused ?
 
R7- (and others) great job on this thread. Being retired we go out once a week for groceries and a take-out place but other than walking at our nearby park, have really stayed at home. Better half at jigsaw puzzles and me making another model, HMS Warspite this time. Question-
We already had a couple dozen dust masks I use sanding (and the couple that better half sewed for herself), along with a box of latex (?) gloves I wear when dressing a deer. If I hang these out on the patio in full sun for a couple of days, turning them inside out etc. and then washing my hands, they can be reused ?

I'm not sure if you're talking about the gloves, masks or both? Obviously you can throw the cloth masks in a the washing machine in a "Sterilization Cycle". The dust masks, I'd just use a few times and toss, but it wouldn't hurt hanging them outside in the sun every couple of days. Remember not to touch the exterior and then touch the inside. Remember that cloth and dust mask are more to protect others from you than for protecting them from you.

Gloves are an interesting question. I would think that you it you wanted to reuse, I'd suggest washing them on your hands in very warm water with an antibacterial soap. This way you don't have to worry about taking them off and infected yourself while handling. If you do this, make sure you wipe off the faucet and handles with a disinfectant wipe and any other surfaces you may have touched on the way to wash your hands.

Remember you can't wash your hands too much nor too often... If you're not grabbing a bottle of moisturizer every couple of days, you're not washing frequently enough.
 
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If the virus can't survive more than 72 hrs on its own, couldn't we just rotate gloves and masks every three days?
 
Nitrile gloves will stand up better than latex. Not even sure they make latex with all the allergies lately. At least we have not had them in the hospital for a few years now. The nitrile are blue and they stand up better than the yellowish ones.
 
mine are blue so yes, nitrile. From HFT more than a few years back. Not powdered so you really want dry hands! (latex was easier to remember, lol)
The gloves will dry out and get very brittle if you keep them outside or in the sun
The blue ones (like mine) lying on the street from some pig a few houses down haven't shown any deterioration in two weeks.
 
If I can chime in? I’m still working wish I could stay home. Gloves I wear all the time. I change them constantly! Even Purell them suckers while wearing as long as I didn’t tear them. Don’t drive yourself crazy if you’re not in a exposed environment your chances are low. Use good judgement. Wash hands change outside clothes and shower like you’re getting paid for it. Be fearful of anyone not wearing a mask right now. This shit will subside but not anytime soon. We gotta get used to it. If you’re a healthcare worker whole nother story. You guys fish right? We plan for danger? I know I do. Same mentality, safety first! Sandwiches and drinks second ??
 
The blue ones (like mine) lying on the street from some pig a few houses down haven't shown any deterioration in two weeks.

People are so thoughtless. At least yours are tossing them in the street. I've seen pictures of people leaving them in a shopping cart!!

BTW, I expect photos when you complete your model of that veteran from the Battle of Jutland!!
 
Maine may have just turned the corner. Nice to see the number of active cases going down, which means more people are resolving than new cases developing. Hopefully this trend will continue.

Granted, our numbers are rounding errors on the butt of more populace states like NY...

ActiveCovidCases042120-e1587508412518.jpg
 
From today's "Don't Shoot The Messenger Files". Until there is an effective vaccine, it doesn't look like this problem is going away anytime soon. Many aspects of today's situation will continue as "the New Normal" into 2021 and possibly beyond...

CDC director warns second wave of coronavirus next winter will likely be worse
pressherald.com/2020/04/21/cdc-director-warns-second-wave-of-coronavirus-next-winter-will-likely-be-worse/

By Lena H. Sun Washington PostApril 21, 2020
Virus_Outbreak_Trump_30776-2.jpg


Even as states move ahead with plans to reopen their economies, the director of the Centers for Disease Control and Prevention warned Tuesday that a second wave of the novel coronavirus will be far more dire because it is likely to coincide with the start of flu season.

“There’s a possibility that the assault of the virus on our nation next winter will actually be even more difficult than the one we just went through,” CDC Director Robert Redfield said in an interview with The Washington Post. “And when I’ve said this to others, they kind of put their head back, they don’t understand what I mean.”

“We’re going to have the flu epidemic and the coronavirus epidemic at the same time,” he said. Having two simultaneous respiratory outbreaks would put unimaginable strain on the health-care system, he said. The first wave of covid-19, the disease caused by the coronavirus, has already killed more than 42,000 people across the country. It has overwhelmed hospitals and revealed gaping shortages in test kits, ventilators and protective equipment for health-care workers.

In a wide-ranging interview, Redfield said federal and state officials need to use the coming months to prepare for what lies ahead. As stay-at-home orders are lifted, officials need to stress the continued importance of social distancing. Officials also need to massively scale up their ability to identify the infected through testing and find everyone they interact with through contact tracing. Doing so prevents new cases from becoming larger outbreaks.
Asked about the appropriateness of protests against stay-at-home orders and calls on states to be “liberated” from restrictions, Redfield said: “It’s not helpful.”

He said he, along with members of the White House coronavirus task force, have been clear about the importance of social distancing “and the enormous impact that it’s had on this outbreak in our nation.”

As part of the White House guidelines released last week for a gradual reopening of the country, testing by CDC teams is already underway in nursing homes in four states for asymptomatic cases. The four states are Nebraska, New Mexico, North Dakota and Tennessee.

The CDC has also drafted detailed guidance for state and local governments on how they can ease mitigation efforts, moving from drastic restrictions such as stay-at-home orders in a phased way to support a safe reopening. Redfield said that guidance will be “in the public domain shortly.”

The CDC has about 500 staff in the states working on a variety of public health issues, and most of them will be pivoting to the covid-19 response, Redfield said. CDC also plans to hire at least another 650 personnel as experts to “substantially augment” public health personnel in the states and assist with contact tracing, among other tasks, he said.

But he acknowledged a much larger workforce is needed. Redfield said the agency is talking with state officials about the possibility of using Census Bureau workers and Peace Corps and AmeriCorps volunteers to build “an alternative workforce.”

The Census Bureau had earlier suspended field operations because of the pandemic and census personnel are already located in every jurisdiction, Redfield said. If there is an agreement to use census workers, they could be trained “to be part of a comprehensive contact tracing effort,” he said.

“These are all discussions that are going on to try to determine what is the optimal strategy to be used,” he said. “And it may be some combination of all three.”

Former CDC director Tom Frieden has estimated that as many as 300,000 contact tracers would be needed in the United States. The Johns Hopkins Center for Health Security and the Association of State and Territorial Health Officials — which represents state health departments — estimate 100,000 additional contact tracers are needed and call for $3.6 billion in emergency funding from Congress.

In the coming summer months, U.S. health officials need to persuade Americans to think ahead to the fall and the importance of getting flu shots. That way, public health officials can minimize the number of people hospitalized from flu. Getting a flu vaccination, Redfield said, “may allow there to be a hospital bed available for your mother or grandmother that may get coronavirus.”

Luckily, the arrival of the novel coronavirus in the United States came as the regular flu season was waning, he said. By itself, a severe influenza season can strain hospitals and clinics.

If the first wave of the coronavirus outbreak and flu season had peaked at the same time, he said, “it could have been really, really, really, really difficult in terms of health capacity.”

During the 2009 H1N1 swine flu pandemic, the United States experienced its first wave in the spring, followed by a second, larger wave in the fall and winter, during typical “flu season” time for the country.
 
Nice article today in NYTimes regarding the spread of COVID-19 in the US. As scientist and epidemiologist delved into it further, the work of contact tracing and viral nucleic acid sequencing tells and interesting tale.

Here's a snippet below, entire article attached:

SEATTLE — As the coronavirus outbreak consumed the city of Wuhan in China, new cases of the virus began to spread out like sparks flung from a fire.

Some landed thousands of miles away. By the middle of January, one had popped up in Chicago, another one near Phoenix. Two others came down in the Los Angeles area. Thanks to a little luck and a lot of containment, those flashes of the virus appear to have been snuffed out before they had a chance to take hold.

But on Jan. 15, at the international airport south of Seattle, a 35-year-old man returned from a visit to his family in the Wuhan region. He grabbed his luggage and booked a ride-share to his home north of the city.

The next day, as he went back to his tech job east of Seattle, he felt the first signs of a cough — not a bad one, not enough to send him home. He attended a group lunch with colleagues that week at a seafood restaurant near his office. As his symptoms got worse, he went grocery shopping near his home.
 

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Very disconcerting news...

The timeline of the virus’s arrival in the U.S. shifts with the revelation of an early death in California.

California’s quest to retrace the early steps of the coronavirus entered a new phase Wednesday after officials linked the death of a 57-year-old woman in early February to the virus.

The woman’s case, weeks before any other known death, had piqued the interest of a local coroner in Santa Clara County. After further examination, local officials sent tissue samples to the Centers for Disease Control and Prevention for testing in mid-March, but the results, confirming a coronavirus diagnosis, did not come back until Tuesday.

Friends and family said the woman had developed symptoms on Feb. 2 and died four days later, on Feb. 6, while working from home. The woman worked at a Silicon Valley semiconductor manufacturing company with offices worldwide, including in Wuhan, China, where the outbreak began.

The case suggests that the virus was in California as early as January, even though officials, hampered by limited testing capacity, did not identify cases of community spread until late February.

Gov. Gavin Newsom of California said Wednesday that there could be “subsequent announcements” as investigations across California further examine the early origins of the virus. He said investigators were looking at coroner and autopsy reports going back to December in some counties.

Another previously unconnected death in Santa Clara County, on Feb. 17, has also now been linked to the coronavirus.

The revelation that a coronavirus death took place in the United States in early February shifts the understanding of its arrival and changes the picture of what the nation was contending with by the time government officials began taking action.

The first Covid-19 death in the United States had previously been believed to be on Feb. 26 in Seattle, one of the worst-hit cities in the country.

Dr. Sara Cody, the chief health officer of Santa Clara County, south of San Francisco, said the newly diagnosed cases underlined that the virus was spreading undetected for weeks in the country in January and February.

Dr. Cody led the effort to issue the nation’s first stay-at-home orders on March 16. But she said she would have issued the orders even earlier had she known about the February deaths.

“I think if we had had widespread testing earlier and if we had been able to document the level of transmission in the county, if we had understood then that people were already dying, we probably would have acted earlier than we did,” Dr. Cody said.
 
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