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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Is hydroxychloroquine + zinc + antibiotics an effective treatment for COVID-19?

It's often claimed, for example, in this Spectrum News report that a drug combination of hydroxychloroquine and zinc and antibiotics is an effective early treatment for COVID-19. Researchers at NYU's ...
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Did lockdowns limit the spread of COVID-19?

In a May 20, 2020 article (German) cites a mathematician who claims the various lock-down measures against COVID-19 are useless. However, the Israeli mathematician Isaac Ben-Israel believes that a ...
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Do the COVID-19 vaccines have worse side-effects for people who have already contracted COVID-19?

A March 16 KFYR-TV article [hat-tip @Laurel] reports: In a study posted by medRxiv (med archive), researchers report many people who had previously been infected with the virus reported flu-like ...
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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 (...
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Is the loss of (15-21) million mobile users in China in part or partly linked to cover up of COVID-19 numbers? [closed]

OP Update: Directionality of skepticism Is the loss of (15-21) million mobile users in China in part or partly linked to cover up of COVID-19 numbers? I am not saying all these are COVID deaths. Maybe ...
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Is Russia spreading fake news about some countries' management of COVID-19?

According to a Financial Times article, an EU report warns about the diffusion of fake news by Russian media, in an attempt to discredit involved governments and aggravate the ongoing crisis. Can ...
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Are there only 1,200-1,900 confirmed cases of COVID-19 in India and Japan, as of March 30, 2020?

According to Coronavirus (COVID-19) map, as of March 30th there are only 1,263 confirmed cases in India and 1,866 in Japan. Meanwhile, there are already 142,000 in US, 9,661 in South Korea, and 41,...
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Did Germany and France offer help to Italy in the Covid-19 crisis?

An opinion piece published yesterday by DW says: The first thing that fell by the wayside, as always in times of crisis, was solidarity. It was Italy, the first country hit by the Corona crisis — and ...
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Did the US confiscate 200,000 masks from a delivery to Berlin?

According to several news reports (SPIEGEL, RBB24, BBC) the Berlin police bought face masks of which 200,000 were confiscated in Bangkok. BBC, 4 April, 2020: The US has been accused of redirecting ...
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Does flu vaccine make us more vulnerable to COVID-19?

There are some claims that the flu vaccine injection has a positive correlation with COVID-19 death rate. For example, the anti-vax site Home Vaccine Education Network says: What connects the ...
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Do elements of the genetic code of SARS-CoV-2 provide evidence that SARS-CoV-2 originated in a lab?

The website Rootclaim, which uses Bayesian analysis to estimate the probabilities of various hypotheses about news events, claims to have ascertained that with high (approximately 75% probability), ...
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Has Florida left 75% of its lettuce crop unharvested due to the coronavirus lockdowns?

Various sources claim that Florida's coronavirus lockdown has caused a serious breakdown in the food supply chain in the state. For example, this Politico article states the following: The scale ...
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Did the mayor of Florence ask people to hug Asians during the COVID-19 outbreak?

According to multiple questionable news sources: The Mayor of Florence is facing fresh criticism after he encouraged Italians to “Hug a Chinese” as a stand against racism before Italy was later ...
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Did Oxford University pledge to make its vaccine open license?

There are numerous news stories circulating that claim that before signing an exclusive deal with AstraZeneca to manufacture their COVID-19 vaccine, they had previously pledged to donate the license ...
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Did China import 2 billion masks earlier this year to control Covid-19?

I'm wondering if there's not a typo in a recent paper that says that to control the COVID-19 outbreak, the Chinese government imported more than 2.0 billion facemasks between 24 Jan 2020 and 29 Feb ...
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Did a Chinese researcher sell his lab animals to street food vendors?

An opinion piece in the New York Post by social scientist and activist Steve W. Mosher claims: Some Chinese researchers are in the habit of selling their laboratory animals to street vendors ...
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Has the US unemployment rate reached 24.9%?

Before this seven-week stretch of 33.5 million initial jobless claims, there were already 7.1 million unemployed Americans as of March 13. When those figures are combined, it equals more than 40 ...
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Was Trump told around Jan 29 of “risks of a coronavirus pandemic: […] half a million deaths and trillions of dollars in economic losses”?

The NYT writes: Despite Mr. Trump’s denial weeks later, he was told at the time about a Jan. 29 memo produced by his trade adviser, Peter Navarro, laying out in striking detail the potential risks ...
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Did the CDC aggregate Covid-19 test data from PCR diagnostic tests with antibody tests?

On May 21st, 2020, The Atlantic reported that the Centers for Disease Control and Prevention (CDC) has been mixing the test data from diagnostic and antibody testing, apparently since beginning to ...
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Did the Bundesnachrichtendienst (BND) accuse China of pressuring the WHO to suppress news about the Wuhan outbreak?

As reported on Arirang TV and in (more clear detail) on Taiwan News Chinese leader Xi Jinping (習近平) asked World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus to suppress news ...
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Did Spain have 433.13K deaths in 2020 and 428.44K in 2019?

In a related question the OP linked to this Knoema site to show that Spain has had no excess deaths in 2020 from Covid-19: I'm skeptical because the site doesn't cite any source for their info. ...
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Do PCR COVID tests have high risk of false positives?

An October 2020 article in Germany's Finanztreff claims: Almost two-thirds [of positive tests for COVID-19] are false positive - at least The Wadsworth Center, the laboratory of the US state of New ...
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Has China eliminated local transmission of COVID-19 within its borders?

Many sources assert that China appears to have eliminated COVID-19 within the country, except for the odd imported case or cluster, which is quickly isolated and eliminated. For instance, Worldometer'...
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Did Trump use the Defense Production Act in recent weeks?

Quoting The Washington Post (emphasis mine, under the headline "Pentagon will seek production of 39 million N95 masks"): Lt. Col. Mike Andrews, a Pentagon spokesman, said the agency ...
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Did a group of monkeys steal SARS-CoV-2 positive blood samples from a health care worker in India?

An article from Reuters claims that a health care worker in India was assaulted by a team of monkeys and robbed of the blood samples that he was carrying: LUCKNOW, India (Reuters) - A troop of ...
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Have 'a lot' of New Yorkers 'fled the city' to Florida?

Gov. Ron DeSantis of Florida has thus far resisted calls for heavier restrictions in the state, and part of his argument for not going further appears to be that stay-at-home orders elsewhere have had ...
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Is Japanese language “cleaner” than English in terms of spreading coronavirus?

I was watching a video from Abroad In Japan channel where Chris Broad, the creator of that channel talks about a TV show in which "experts" discussed about the reasons why number of cases of ...
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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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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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Is the incidence of CVST in vaccinated persons any higher than would be expected normally?

US health authorities are calling for a pause in the use of the Johnson & Johnson Covid-19 vaccine, after reports of extremely rare blood clotting cases. The Food and Drug Administration (FDA) ...
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What is the real amount of new Covid-19 cases per week per 100,000 people in Germany?

As I live in Germany, I am trying to follow the local Covid-19 situation with attention. The other day I saw a source (Financial Times) I was not following being shared on twitter. I noticed that it ...
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Is a face shield as effective as a face mask?

On a CDC web page dated August 7, 2020, they warned against the use of face shields as an effective method to stop COVID-19, due to a lack of evidence. There is currently not enough evidence to ...
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Did “the” (or a) European Court declare that Covid-19 PCR tests are “not fit for purpose”?

In a long video denying the validity of Covid-19 PCR tests, it's stated at one point (15:17), without much context that the European court declaring that Covid-19 tests are "not fit for purpose&...
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Has Sweden beaten SARS-CoV-2 with herd immunity? [closed]

An article in The Australian newspaper titled "Coronavirus: Sweden ‘has beaten coronavirus with herd immunity’" makes the claim as per the title. Evidence is mounting that Sweden has beaten ...
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When the WHO/CDC/NIH recommended wearing cloth masks, did they cite any scientific paper supporting their effectiveness?

Background The Association of American Physicians and Surgeons asserts that cloth masks are not a way to meaningfully protect someone against COVID-19 nor against source-control. According to their ...
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Is the US government seizing PPE supplies to resell them with a markup?

This copypasta has been flying around on reddit for a while, and I'm wondering how much there is to it. It's more than that. The Federal Government under Trump thinks they have no duty to help ...
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Are there medical reasons for not being able to wear a surgical mask?

In countries with a mask mandate due to high COVID-19 incidences there is often some side rule in effect where you can get a medical certificate if you have some medical condition that would ...
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Was the Wuhan Center for Disease Control & Prevention hosting coronavirus-infected bats near the COVID-19 initial outbreak?

Botao Xiao et al wrote titled The possible origins of 2019-nCoV coronavirus: We screened the area around the seafood market and identified two laboratories conducting research on bat coronavirus. ...
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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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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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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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Did the CDC refuse to identify America’s COVID-19 “Patient Zero”?

In an April 10 article, the alternative media outlet, UNZ Review [claimed]: Every public health official on earth knows this yet, despite its WHO obligations, the CDC refuses to identify America’...
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Did the NIH start developing a COVID-19 vaccine on January 11?

https://www.globaltimes.cn/content/1188532.shtml A Chinese state media claims Trump said that the NIH started developing a COVID-19 vaccine on January 11. Is this claim accurate? If it is, then how ...
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In response to COVID-19, as of 20 April 2020, has China provided the US with over 2.46 billion masks?

A Chinese spokesperson wrote on Twitter: As of Apr. 20, China had provided the US with over 2.46 bn masks, meaning 7 masks for each in the US, plus nearly 5,000 ventilators & many others. Hope ...
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Is the P1 (“Brazil”) variant of SAR-CoV-2 more lethal to younger generations?

There have been numerous reports that the P1 variant of SARS-CoV-2 0 a.k.a. the Brazilian variant - is more lethal to younger generations: The Guardian: Spreading faster, hitting harder – why young ...
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Did WHO publish a bulletin stating that COVID-19 is “equivalent in lethality to seasonal flu”?

Dr. Sucharit Bhakdi said that the WHO published a bulletin stating that COVID-19 is "equivalent in lethality to seasonal flu" in October 2020 in this video. I linked the video so that it ...
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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 ...
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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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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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Is it probable that the UK COVID-19 death count will eclipse China's? [closed]

The BBC News on March 25 cited a "best case" projected death-count for COVID-19 as 20,000: it is hoped the steps which have been taken, which are essentially about suppressing the virus, ...