Questions tagged [covid-19]

For questions regarding the coronavirus disease and its causes called COVID-19 by the World Health Organisation (WHO). The WHO say the disease is caused by a virus that is itself called SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) but also known as the 2019 Novel Coronavirus, 2019-nCov, the Wuhan Coronavirus and "the Corona virus".

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Do surgical masks help prevent the spread of COVID-19 from infected members of the public?

One of the most politicised scientific issues of 2020 was the question about whether face-masks stop the spread of COVID-19. Here are some specific examples: Australian Department of Health (...
11
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1answer
393 views

Do most locations have an infection fatality rate less than 0.20% from Covid-19 (and less than 0.05% for those under 70 y.o.)?

This is the (tentative) conclusion of a meta-analysis found on the WHO's website, written by John Ioannidis, which in its abstract says: Across 51 locations, the median COVID-19 infection fatality ...
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Are companies spraying toxic disinfectants on shipped packages?

This image and others like it have been posted and shared widely on social media lately. If feels like a rumor/tall tale spread by overly paranoid pet owners. Is there any truth to this? Text of the ...
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Do hand sanitizers need to be higher than 60% alcohol to be efficacious against SARS-CoV-2?

According to JV Chamary, PhD, in a July 2020 Forbes article The CDC's recommendation to use hand sanitizer with at least 60% ethanol is wrong with reference to Coronavirus, and its guidelines need ...
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478 views

Is there “almost no science” behind social/physical distancing to fight the spread of an epidemic?

On the UnHerd youtube channel, they interviewed "Swedish expert Prof. Johan Giesecke" who said (around 3 minutes in) that while there's science behind hand washing to prevent the spread of disease, ...
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430 views

Were 830,000 protective masks destined for Italy first blocked in Germany and then “disappeared”?

The website of a manufacturer of (among other things) surgical masks contains a blogpost dated March 13, 2020 (written in Italian). In it, it is claimed that a shipment of 830,000 surgical masks ...
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Did several countries have very low Coronavirus deaths thanks to inhaled steroids?

A West Texas physician named Richard Bartlett has been making the rounds on social media, claiming that Taiwan, Japan and Iceland have been using inhaled steroids such as budesonide to treat ...
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304 views

Does wearing spectacles protect you from covid?

Yet another surprising study on things that make a difference to the risk of covid has appeared. This one claims, to quote the report in LiveScience: People who wear eyeglasses may be at lower risk ...
5
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373 views

Are vapers more likely to catch COVID-19?

Recently a number of reports have surfaced claiming that vaping radically increases susceptibility to COVID-19 infection among the young. For example, Sky News reports: Teenagers and young adults who ...
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170 views

Are flight attendants exempt from COVID-19 quarantine restrictions when leaving New York or entering Canada?

Are the posts below true? fathrowaway7. 2020 Mar 27 23:54 GMT. I’m a flight attendant. We are still flying because we are considered “essential.” You heard about those orders to quarantine ...
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Did SARS-CoV-2 appear in some (Mojiang) Chinese miners in 2012?

The N.Y. Post wrote in August 2020: In April 2012, six miners in the Mojiang mine in southwestern China’s Yunnan province fell ill after spending more than 14 days removing bat feces. Three ...
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308 views

Is it true that countries led by women are more successful at handling COVID-19?

This claim's been around a bit, e.g. this source, this source, this source. The countries named are Germany, New Zealand, Iceland, Finland, Belgium, Taiwan, Norway. I'm wondering if this claim cherry-...
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Did the US Federal government take 3 months from the warning its BARDA chief to require more production of N95 masks?

This exchange from a Congressional hearing was mentioned on Twitter and cited by some news Q: "It took 3 months from your initial warnings...for the federal government to...require the ...
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114 views

Do cloth facemasks help prevent the spread of COVID-19 to healthy members of the public?

One of the most politicised scientific issues of 2020 was the question about whether face-masks stop the spread of COVID-19. I trust we can agree that this is notable without requiring specific ...
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3k views

Did CNN use a photo from Houston in a story about impacts of COVID-19 in San Francisco?

In a public post on Facebook dated March 13, an individual named Jeremy Jack claims that his photo was misused by CNN "to incite mass hysteria around the issue" of COVID-19. Okay.. I have ...
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402 views

Are Chinese wet markets selling bat again?

I read that China banned consumption of wild life a few weeks ago. A strict ban on the consumption and farming of wild animals is being rolled out across China in the wake of the deadly coronavirus ...
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184 views

Were masks imported to China in Jan-Feb resold to Mexico at 20-30 times the price in March?

Global News reports In March, the masks sold to China in January and February were being sold back to Mexico at 20 to 30 times the price, according to [Jorge] Guajardo [Mexico’s former ambassador ...
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Does a politician's claim that towns in Lombardy that went into lockdown had “zero infection rates” thereafter match the official statistics?

Italian foreign minister Luigi Di Maio (also a former M5S leader) said in an interview (not quoted in the article, but he says it 20 seconds in the embedded video) that The model that is working ...
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116 views

Do cloth facemasks help prevent the spread of COVID-19 from infected members of the public?

One of the most politicised scientific issues of 2020 was the question about whether face-masks stop the spread of COVID-19. I trust we can agree that this is notable without requiring specific ...
1
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0answers
231 views

Was Taiwan free of new COVID-19 cases for 30 days up to 12th May, 2020?

Anadolu Agency, a Turkish news agency reported on 6th May: It has been 24 days since the last case of local transmission of COVID-19 was reported in Taiwan. Agon Hare is a musician who runs a ...
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207 views

Does a high BMI increase COVID-19’s severity?

I have been reading in the press about how being obesity can increase the severity of the disease. An article in Wired, Covid-19 Does Not Discriminate by Body Weight (17 April, 2020), seems to ...
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111 views

How likely is that the SARS-CoV-2 spike is the result of site‐directed mutagenesis (a broad family of lab techniques)?

Rossana Segreto and Yuri Deigin write in a (peer-reviewed, I think) article in BioEssays that Might genetic manipulations have been performed in order to evaluate pangolins as possible intermediate ...
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114 views

Do N95 respirators help prevent the spread of COVID-19 from infected health care workers?

One of the most politicised scientific issues of 2020 was the question about whether face-masks stop the spread of COVID-19. I trust we can agree that this is notable without requiring specific ...