As the coronavirus continues to make the news, a host of untruths has surrounded the topic. In this special feature, we address some of these myths and conspiracies.
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The novel coronavirus, now known as SARS-CoV-2, has spread from Wuhan, China, to every continent on Earth except Antarctica.
As we write this feature, there have been more than 92,000 confirmed cases and over 3,100 deaths.
As ever, when the word “pandemic” starts appearing in headlines, people become fearful, and with fear come misinformation and rumors.
Here, we will dissect some of the most common myths that are currently circulating on social media and beyond.
1. Spraying chlorine or alcohol on skin kills viruses in the body
Applying alcohol or chlorine to the body can cause harm, especially if it enters the eyes or mouth. Although people can use these chemicals to disinfect surfaces, they should not use them on skin.
These products cannot kill viruses within the body.
2. Only older adults and young people are at risk
SARS-CoV-2, like other coronaviruses, can infect people of any age. However, older adults or individuals with preexisting health conditions, such as diabetes or asthma, are more likely to become severely ill.
3. Children cannot catch COVID-19
All age groups can become infected. Most cases, so far, have been in adults, but children are not immune. In fact, preliminary evidence shows that children are just as likely to become infected, but their symptoms tend to be less severe.
4. COVID-19 is just like the flu
SARS-CoV-19 causes illness that does, indeed, have flu-like symptoms, such as aches, fever, and cough. Similarly, both COVID-19 and flu can be mild, severe, or, in rare cases, fatal. Both can also lead to pneumonia.
Although scientists are working out the exact mortality rate, it is likely to be many times higher than that of seasonal flu.
5. Everyone with COVID-19 dies
This statement is untrue. As we have mentioned above, COVID-19 is only fatal for a small percentage of people.
In a recent report, the Chinese Center for Disease Control and Prevention concluded that 80.9% of COVID-19 cases were mild.
6. Cats and dogs spread coronavirus
Currently, there is little evidence that SARS-CoV-2 can infect cats and dogs. However, in Hong Kong, a Pomeranian whose owner had COVID-19 became infected. The dog did not display any symptoms.
Scientists are debating the importance of this case to the epidemic. For instance, Prof. Jonathan Ball, Professor of Molecular Virology at the University of Nottingham in the United Kingdom, says:
“We have to differentiate between real infection and just detecting the presence of the virus. I still think it’s questionable how relevant it is to the human outbreak, as most of the global outbreak has been driven by human-to-human transmission.”
He continues: “We need to find out more, but we don’t need to panic — I doubt it could spread to another dog or a human because of the low levels of the virus. The real driver of the outbreak is humans.”
7. Face masks protect against coronavirus
Healthcare workers use professional face masks, which fit tightly around the face, to protect them against infection. However, disposable face masks are unlikely to provide such protection.
As these masks do not fit neatly against the face, droplets can still enter the mouth and nose. Also, tiny viral particles can penetrate directly through the material.
However, if someone has a respiratory illness, wearing a mask can help protect others from becoming infected.
“There is very little evidence that wearing such masks protects the wearer from infection,” Dr. Ben Killingley, Consultant in Acute Medicine and Infectious Diseases at University College London Hospital in the U.K., explains.
“Furthermore, wearing masks can give a false sense of reassurance and might lead to other infection control practices being ignored, e.g., hand hygiene.”
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8. Hand dryers kill coronavirus
Hand dryers do not kill coronavirus. The best way to protect yourself and others from the virus is to wash your hands with soap and water or an alcohol-based hand rub.
9. SARS-CoV-2 is just a mutated form of the common cold
Coronaviruses are a large family of viruses, all of which have spiky proteins on their surface. Some of these viruses use humans as their primary host and cause the common cold. Other coronaviruses, such as SARS-CoV-2, primarily infect animals.
Both Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS) began in animals and passed into humans.
10. You have to be with someone for 10 minutes to catch the virus
The longer someone is with an infected person, the more likely they are to catch the virus, but it is still possible to catch it in less than 10 minutes.
11. Rinsing the nose with saline protects against coronavirus
There is no evidence that a saline nose rinse protects against respiratory infections. Some research suggests that this technique might reduce the symptoms of acute upper respiratory tract infections, but scientists have not found that it can reduce the risk of infection.
12. You can protect yourself by gargling bleach
There are no circumstances in which gargling bleach might benefit your health. Bleach is corrosive and can cause serious damage.
13. Antibiotics kill coronavirus
Antibiotics only kill bacteria; they do not kill viruses.
14. Thermal scanners can diagnose coronavirus
Thermal scanners can detect whether someone has a fever. However, other conditions, such as seasonal flu, can also produce fever.
In addition, symptoms of COVID-19 can appear 2–10 days after infection, which means that someone infected with the virus could have a normal temperature for a few days before a fever begins.
15. Garlic protects against coronaviruses
Some research suggests that garlic might have antibiotic properties. However, there is no evidence that it can protect people against COVID-19.
16. Parcels from China can spread coronavirus
From previous research into similar coronaviruses, including those that cause SARS and MERS and are similar to SARS-CoV-2, scientists believe that the virus cannot survive on letters or packages for an extended time.
The CDC explain that “because of poor survivability of these coronaviruses on surfaces, there is likely very low risk of spread from products or packaging that are shipped over a period of days or weeks at ambient temperatures.”
17. Home remedies can cure and protect against COVID-19
No home remedies can protect against COVID-19, including vitamin C, essential oils, silver colloid, sesame oil, garlic, and sipping water every 15 minutes.
The best approach is to adopt a good handwashing regimen and to avoid places where there may be unwell people.
18. You can catch coronavirus from eating Chinese food in the U.S.
No, you cannot.
19. You can catch coronavirus from urine and feces
It is unlikely that this is true. According to Prof. John Edmunds from the London School of Hygiene & Tropical Medicine in the U.K.:
“It isn’t a very pleasant thought, but every time you swallow, you swallow mucus from your upper respiratory tract. In fact, this is an important defensive mechanism. This sweeps viruses and bacteria down into our gut where they are denatured in the acid conditions of our stomachs.”
“With modern, very highly sensitive detection mechanisms, we can detect these viruses in feces. Usually, viruses we can detect in this way are not infectious to others, as they have been destroyed by our guts.”
20. The virus will die off when temperatures rise in the spring
Some viruses, such as cold and flu viruses, do spread more easily in the colder months, but that does not mean that they stop entirely when conditions become milder. As it stands, scientists do not know how temperature changes will influence the behavior of SARS-CoV-2.
21. Coronavirus is the deadliest virus known to man
Although SARS-CoV-2 does appear to be more serious than influenza, it is not the deadliest virus that people have faced. Others, such as Ebola, have higher mortality rates.
22. Flu and pneumonia vaccines protect against COVID-19
As SARS-CoV-2 is different than other viruses, no existing vaccines protect against infection.
23. The virus originated in a laboratory in China
Despite the swathes of internet rumors, there is no evidence that this is the case. Some researchers believe that SARS-CoV-2 may have jumped from pangolins to humans. Others think that it might have passed to us from bats, which was the case for SARS.
24. The outbreak began because people ate bat soup
Although scientists are confident that the virus started in animals, there is no evidence that it came from soup of any kind.