Questions tagged [covid-19]
Describes the clinical disease caused by the SARS-CoV-2 virus
666
questions
3
votes
1
answer
141
views
If I get COVID-19, can I get cured by myself?
Suppose I get infected by COVID-19.
I am a healthy person but with weight issues, according to the standard weight tables.
Can my immune system cure me by itself? That is, without the need of ...
- 566
3
votes
2
answers
467
views
Why it's said a coronavirus vaccine wont be ready for using in 12-18 months when for the H1N1 2009 outbreak there were vaccines available in 6 months?
From different sources we hear that a coronavirus vaccine might be ready in weeks / April / 3 months, but that they would require testing and mass production and it won't be ready to use until 12/18 ...
- 1,075
3
votes
1
answer
100
views
What information we have about transmission of COVID-19 in detail?
A lot of information we have how the COVID-19 virus spreads in general. But what do we know about the detected and proven way of transmission:
about which items (door handles, plates, salad bar, ...) ...
- 184
3
votes
2
answers
901
views
Is it possible that COVID-19 virus exist in a human body, but be absent from samples taken from nose and back of throat?
As specified in this link, COVID-19 tests start with taking samples from the nose or back or throat of people.
Based on growth rate of this disease, I thought what if those samples are not positive (...
- 199
3
votes
1
answer
181
views
Would a COVID-19 controlled burn facilitate herd immunity?
In forest management, a controlled burn is “used for hazard reduction [to] decrease the likelihood of serious hotter fires” [W]. In backfiring strategy, “firefighters attempt to halt the advance of a ...
- 147
3
votes
1
answer
203
views
Is Coronavirus transmission affected by the season of the host country / hemisphere?
First when the Coronavirus outbreak happened in China, some people argued that the outbreak had to do with a supposed faulty chinese health care system, due to China not being a "developed country". ...
- 1,075
3
votes
1
answer
337
views
COVID-19 Variants
I have been looking at this "new variant" of the virus which causes COVID-19 and the British Medical Journal has said
What do we know about this new SARS-CoV-2 variant?
It’s been snappily ...
- 6,164
3
votes
2
answers
214
views
Do participants of the COVID-19 vaccine trials get exposed to the virus?
It might be obvious to many in the medical field, but it had me wondering when reading about the new trials for the Oxford-AstraZeneca vaccine that is currently being tested on a group of people.
When ...
- 133
3
votes
2
answers
238
views
What does it mean to say a population has “low levels of general immunity”?
The UN Humanitarian Coordinator in Yemen, Lisa Grande, is quoted in several places (e.g. this CBS news article as saying (emphasis mine):
[SARS-CoV-2] is now in Yemen and may quickly spread. […] ...
3
votes
2
answers
52
views
How do hospitals decide whether to reopen elective surgeries during this COVID-19 pandemic?
Many hospitals have cancelled or postponed elective procedures due to the current COVID-19 pandemic. What kinds of considerations are ethics committees making when deciding to reopen elective ...
- 1,074
3
votes
3
answers
84
views
Is it possible for humans to be resistant to certain viral infections without having specific antibodies in their blood?
Popular understanding of how viruses work split immunity into four categories:
Virus doesn't affect humans at all
No immunity - will get worst possible infection, seems to be the case with COVID-19
...
- 1,496
3
votes
2
answers
119
views
Can you recover from COVID-19, and then be reinfected so as to be a danger to other people?
Assuming I've contracted COVID-19 this January and made a full recovery and the antibodies have already left my body again. Now, I come into contact with someone who is sick and I inhale some COVID-19 ...
- 133
3
votes
1
answer
185
views
Is Coronavirus (Covid-19) considered a pandemic?
It is my understanding that "epidemic" is an abnormally high amount of cases than expected. "Pandemic" refers to a epidemic that crosses continents (Please correct my understanding if it is wrong).
...
- 149
3
votes
1
answer
57
views
What effect does social distancing have on the contagiousness and lethality of virus spread?
There are various degrees of 'lockdown'. From poorly worn masks and poor material choices, to people being confined to their homes for long periods of time.
It is safe to assume that practical ...
- 187
3
votes
1
answer
130
views
Will getting a vaccine have any additional effect on your immune system if you already got covid-19?
Supposedly people who got covid-19 get immunity after it. According to this article,
More SARS-COV-2 reinfections reported but still a rare event citing several studies,
Bertollini and his colleagues ...
- 1,075
3
votes
1
answer
147
views
Is using a shield rather then a mask effective with COVID-19?
I am seeing more people wearing a shield rather then a mask in public. I read this article here that talked about a mask alone as protection. To summarize the answer it was maybe a shield alone offers ...
- 33
3
votes
1
answer
77
views
How often do temperature checks actually detect cases of COVID-19?
One extremely common measure that companies are implementing is temperature checks when people come in the building. This has the advantage of being inexpensive, fast, and requiring little training. ...
3
votes
1
answer
39
views
Have there been any studies on how long COVID-19 remains infectious on various types of cloth?
I was thinking common items like wool and cotton clothing. Has any one discovered yet how long COVID-19 remains infectious on clothing? I have seen the usual items such as paper boxs, stainless ...
- 297
3
votes
1
answer
61
views
What would it be like to participate in a (coronavirus) challenge trial, in the US?
I am strongly considering volunteering for any COVID human challenge trial that becomes available near me (midwestern United States). I am willing to undergo long-term isolation. However, I am not ...
- 153
3
votes
1
answer
126
views
Why did countries initially presume that detecting COVID-19 requires a deep nasal swab?
According to a recent paper:
To validate the use of saliva for SARS-CoV-2
detection, we tested nasopharyngeal and saliva samples from confirmed
COVID-19 patients and ...
- 1,496
3
votes
2
answers
111
views
Has there been any research into how people are being infected during hardcore lockdowns?
Several countries around the world have instituted extremely harsh lockdowns: France, Spain, Italy, New Zealand, Argentina. However for some reason all of those countries keep getting new infections 2+...
- 1,496
3
votes
1
answer
385
views
Why did COVID-19 spread so much faster than H1N1/09 in China?
Despite China's success in controlling the COVID-19 outbreak insofar, a March 31 Science paper that analyzes the response has this intriguing (and alarming) observation
The dispersal of COVID-19 ...
- 5,968
3
votes
1
answer
141
views
How can you determine whether a surgical mask is real or fake?
There are lots of surgical masks being sold online rather than traditional outlets such as home improvement shops and chemists. How do you ascertain it is likely to be a real mask that provides ...
- 13.2k
3
votes
2
answers
196
views
Why will COVID-19 last for 12 to 18 months?
In this YouTube video min 0:32, Dr. Samir Gupta, says
It typically would last for 12 to 18 months
In How the Pandemic Will End in the ll. The Endgame section:
No matter which strategy is ...
- 566
3
votes
1
answer
87
views
What are the recommendations for interacting with vulnerable people during the COVID-19 pandemic?
What preventative measures should people take to avoid infecting others that they are in contact with, such as family members, who are more vulnerable (elderly and/or individuals with underlying ...
- 31
3
votes
2
answers
47
views
COVID-19 data sets with patient-level demographic information (e.g. age)
I'm searching for data sets about Covid-19 patients, where the column "age" occurs for each patient. All the sets I find are summarized, like the one from the John Hopkins University.
- 31
3
votes
1
answer
103
views
Why did J&J go for one dose?
The latest news from the US is that the CDC & FDA recommend a booster shot after only two months following the "single dose" J&J vaccine.
Given the Fauci comment that J&J "...
- 5,968
3
votes
1
answer
68
views
Are Covishield and AstraZeneca AZD1222 the same?
Some sources simply equate the two. On the other hand, Covishield seems to be undergoing its own clinical trials. The statement by the Indian authorities calls it “Recombinant Chimpanzee Adenovirus ...
- 133
3
votes
1
answer
37
views
Would vaccines against COVID variants (e.g. B.1.1.7) need *additional* clinical trials?
Every year, the influenza vaccine changes a little bit, incorporating different strains every year.
I believe that these vaccine variants don't have to undergo clinical trials, that they piggyback on ...
3
votes
1
answer
158
views
How can a vaccine prevent an individual from getting a disease but not from transmitting it?
In the news about the COVID-19 vaccines which are about to begin distribution, I've seen statements to the effect that "it’s not clear if the shot keeps the disease from being transmitted" (...
- 611
3
votes
1
answer
145
views
Is an "asymptomatic COVID-19 case" a misnomer?
I've seen references to asymptomatic COVID-19 cases, and am wondering if this is incorrect use of the term. If COVID-19 is the disease caused by the novel coronavirus SARS-CoV-2, then aren't truly ...
- 150
3
votes
1
answer
63
views
How effective is eucalyptus-based treatment for curing COVID-19 (or coronavirus in general)?
According to The Jakarta Post, (Indonesia's) Agriculture Ministry claims to have developed eucalyptus-based COVID-19 treatment:
The Agriculture Ministry has developed a eucalyptus-based treatment ...
- 139
3
votes
1
answer
44
views
Does any country have Covid-19 death (or infection) statistics by occupation?
I know this only marginally on-topic, but besides healthcare workers, I'd guess workers who meet a lot of people daily are also at high risk. There have been some reports in the US of supermarket ...
- 5,968
3
votes
1
answer
85
views
Why can't simple blood transfusions be used for treatment of COVID-19, instead of plasma transfusions? [closed]
It has been recently been shown that convalescent plasma from previously infected patients can be used to help others gain immunity against the disease. But why do we need to use plasma for this ...
- 1,496
3
votes
1
answer
188
views
Is being of direct African ancestry a risk factor for severe COVID-19 disease?
In the initial outbreak of COVID-19 in Asia, the populations affected were fairly homogenous though ethnicity data isn't available from the studies published from China. However, Chinese are ...
- 13.2k
3
votes
1
answer
249
views
Have any regulatory agencies announced they would allow live Covid-19 human challenges (for vaccine testing purposes)?
It's been mentioned to me in the discussion on another question that the following proposal has been advanced (in a medical journal):
Controlled human challenge trials of SARS-CoV-2 vaccine ...
- 5,968
3
votes
3
answers
250
views
Is there any significance in reporting COVID-19 cases by population?
Many news outlets are reporting total COVID-19 cases by country and then comparing them to other countries. For example, comparing the total cases in the United States vs the total cases in China. As ...
- 163
3
votes
1
answer
107
views
What is known about transmission of coronaviruses through food?
I've seen a lot data about COVID-19 virus (SARS-CoV-2) on dry surfaces. But what about wet mediums, in particular food? In the West, it's easy enough to disinfect supermarket packages (before opening ...
- 5,968
3
votes
1
answer
124
views
Steps to ensure incoming foods from many grocery bags do not carry COVID-19 virus into the Refrigerator, Kitchen, Home?
PPS: If this is more Biology or LifeHacks then please feel to move it there. But this is a key VIRUS VECTOR that will come indoors and we are not all competent to "sanitize" the variety of items.
...
3
votes
2
answers
125
views
Was there a clear effect attributable to FFP2 (~N95) mask mandates in Germany in crowded environments (shops, buses, etc.)?
Back in January or so, Bavaria at least mandated FFP2 (roughly equivalent to US N95) masks be worn in shops, buses and presumably similar environments. At least Berlin followed suit some months later ...
- 5,968
3
votes
1
answer
160
views
Why is booster shot needed when mRNA vaccines can induce memory cells?
My understanding about mRNA Covid-19 vaccines and memory cell is that they do induce memory T cell response similar to natural infection, and thus provide long term protection via the memory cell ...
- 545
3
votes
2
answers
121
views
Have clusters of Covid-19 cases been linked to supermarkets?
BBC news about a traditional Indian vegetable market (mandi) as spreading ground for Covid-19:
Koyambedu: India's coronavirus cluster at a vegetable market [...]
On 8 May, Tamil Nadu officials said 1,...
- 5,968
3
votes
3
answers
86
views
How representative are the COVID-19 quarantine deadlines to the public health impact?
I don't know if this is the right place to ask this question. I feel like a lot of people are asking a very similar question, and all we have are deadlines for quarantines (as of writing this question,...
3
votes
1
answer
187
views
Can this product kill coronavirus?
I'm really really confused what product to buy to clean my laptop body to disinfect it from coronavirus.
Like most doctors say use 60-70% alcohol based sanitizers to clean your hands.
So does it ...
- 239
3
votes
1
answer
74
views
What fraction health care workers contract COVID-19?
What fraction of health care workers contract COVID-19? Does anyone know of empirical evidence? Ideally, I’m looking for a reference to a study involving type of work, e.g., ER in close contact vs. ...
- 211
3
votes
3
answers
158
views
Is an old population a contributing factor for the spread of the disease of COVID-19?
There is a public figure/writer on the Internet which plays a sort of "informal journalist", who stated in a tweet (without a source), that "Italy is hit hard, experts say, because they have the ...
- 1,075
3
votes
1
answer
322
views
Can coronaviruses be transmitted via banknotes?
When possible I avoid paying by cash and use contactless payments as much as I can, especially as of late. However, some outlets won't take card payments so cash exchange is inevitable.
I am worried ...
- 163
3
votes
1
answer
72
views
Would "working out" with a respiratory muscle training device improve survivability of ARDS in patients without access to a ventilator?
"Acute Respiratory Distress Syndrome" (ARDS) is characterized by a rapid onset of widespread inflammation of the lungs. The causes are many, and one such cause might become prominent in the near ...
- 115
3
votes
0
answers
62
views
Are there any covid-19 vaccine side effects that can't be gained from a covid infection?
Some side effects from a covid vaccine are caused by the patient's immune system's response to the vaccine - for example myocarditis (source 1, source 2) - which will therefore also occur from a covid ...
- 31
3
votes
0
answers
49
views
What do we know about Long Covid and Omicron?
Longer term covid symptoms/sequalia ("Long covid") tentatively seem to be attributed to the virus playing havoc with bodily organs, the bloodstream, perhaps the immune system, and so on. Its ...
- 341