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Coronavirus: Myths and Realities

Coronavirus


Coronavirus disease (COVID-19) advice for the public from the World Health Organization

MYTH BUSTERS

Cold weather and snow CANNOT kill the new coronavirus

There is no reason to believe that cold weather can kill the new coronavirus or other diseases. The normal human body temperature remains around 36.5°C to 37°C, regardless of the external temperature or weather. The most effective way to protect yourself against the new coronavirus is by frequently cleaning your hands with alcohol-based hand rub or washing them with soap and water.

Taking a hot bath does not prevent coronavirus

Taking a hot bath will not prevent you from catching COVID-19. Your normal body temperature remains around 36.5°C to 37°C, regardless of the temperature of your bath or shower. Actually, taking a hot bath with extremely hot water can be harmful, as it can burn you. The best way to protect yourself against COVID-19 is by frequently cleaning your hands. By doing this you eliminate viruses that may be on your hands and avoid infection that could occur by then touching your eyes, mouth, and nose.

Coronavirus cannot be transmitted through goods manufactured in China or other country with cases

Even though the new coronavirus can stay on surfaces for a few hours or up to several days (depending on the type of surface), it is very unlikely that the virus will persist on a surface after being moved, travelled, and exposed to different conditions and temperatures. If you think a surface may be contaminated, use a disinfectant to clean it. After touching it, clean your hands with an alcohol-based hand rub or wash them with soap and water.

Coronavirus cannot be transmitted through mosquito bites

To date there has been no information nor evidence to suggest that the new coronavirus could be transmitted by mosquitoes. It is a respiratory virus which spreads primarily through droplets generated when an infected person coughs or sneezes, or through droplets of saliva or discharge from the nose. To protect yourself, clean your hands frequently with an alcohol-based hand rub or wash them with soap and water. Also, avoid close contact with anyone who is coughing and sneezing.

Are hand dryers effective in killing coronavirus?

No. Hand dryers are not effective in killing the 2019-nCoV. To protect yourself against the new coronavirus, you should frequently clean your hands with an alcohol-based hand rub or wash them with soap and water. Once your hands are cleaned, you should dry them thoroughly by using paper towels or a warm air dryer.

Can an ultraviolet disinfection lamp kill coronavirus?

UV lamps should not be used to sterilize hands or other areas of skin as UV radiation can cause skin irritation.

How effective are thermal scanners in detecting people infected with coronavirus?

Thermal scanners are effective in detecting people who have developed a fever (i.e. have a higher than normal body temperature) because of infection with the new coronavirus.

However, they cannot detect people who are infected but are not yet sick with fever. This is because it takes between 2 and 10 days before people who are infected become sick and develop a fever.

Can spraying alcohol or chlorine all over your body kill coronavirus?

No. Spraying alcohol or chlorine all over your body will not kill viruses that have already entered your body. Spraying such substances can be harmful to clothes or mucous membranes (i.e. eyes, mouth). Be aware that both alcohol and chlorine can be useful to disinfect surfaces, but they need to be used under appropriate recommendations.

Can pets at home spread coronavirus?

At present, there is no evidence that companion animals/pets such as dogs or cats can be infected with the new coronavirus. However, it is always a good idea to wash your hands with soap and water after contact with pets. This protects you against various common bacteria such as E.coli and Salmonella that can pass between pets and humans.

Do vaccines against pneumonia protect you against coronavirus?

No. Vaccines against pneumonia, such as pneumococcal vaccine and Haemophilus influenza type B (Hib) vaccine, do not provide protection against COVID-19.

The virus is so new and different that it needs its own vaccine. Researchers are trying to develop a vaccine against 2019-nCoV, and WHO is supporting their efforts.

Although these vaccines are not effective against 2019-nCoV, vaccination against respiratory illnesses is highly recommended to protect your health.

Does coronavirus affect older people, or are younger people also susceptible?

People of all ages can be infected by 2019-nCoV. Older people, and people with pre-existing medical conditions (such as asthma, diabetes, heart disease) appear to be more vulnerable to becoming severely ill with the virus.

WHO advises people of all ages to take steps to protect themselves from the virus, for example by following good hand hygiene and good respiratory hygiene.

Are antibiotics effective in preventing and treating coronavirus?

No, antibiotics do not work against viruses, only bacteria.

2019-nCoV is a virus and, therefore, antibiotics should not be used as a means of prevention or treatment.

However, if you are hospitalized for the 2019-nCoV, you may receive antibiotics because bacterial co-infection is possible.

WHEN AND HOW TO USE MASKS

  • if you are healthy, you only need to wear a mask if you are taking care of a person with suspected 2019-nCoV infection.
  • Wear a mask if you are coughing or sneezing.
  • Masks are effective only when used in combination with frequent hand-cleaning with alcohol-based hand rub or soap and water.
  • If you wear a mask, then you must know how to use it and dispose of it properly.

How to put on, use, take off and dispose of a mask

  • Before putting on a mask, clean hands with alcohol-based hand rub or soap and water.
  • Cover mouth and nose with mask and make sure there are no gaps between your face and the mask.
  • Avoid touching the mask while using it; if you do, clean your hands with alcohol-based hand rub or soap and water.
  • Replace the mask with a new one as soon as it is damp and do not re-use single-use masks.
  • To remove the mask: remove it from behind (do not touch the front of mask); discard immediately in a closed bin; clean hands with alcohol-based hand rub or soap and water.


RECOMMENDATIONS FOR INTERNATIONAL TRAVELLERS

It is prudent for travellers who are sick to delay or avoid travel to affected areas, in particular for elderly travellers and people with chronic diseases or underlying health conditions.

General recommendations for personal hygiene, cough etiquette and keeping a distance of at least one meter from persons showing symptoms remain particularly important for all travellers. These include:

  • Perform hand hygiene frequently, particularly after contact with respiratory secretions. Hand hygiene includes either cleaning hands with soap and water or with an alcohol-based hand rub. Alcohol-based hand rubs are preferred if hands are not visibly soiled; wash hands with soap and water when they are visibly soiled;
  • Cover your nose and mouth with a flexed elbow or paper tissue when coughing or sneezing and disposing immediately of the tissue and performing hand hygiene;
  • Refrain from touching mouth and nose;
  • A medical mask is not required if exhibiting no symptoms, as there is no evidence that wearing a mask – of any type – protects non-sick persons. However, in some cultures, masks may be commonly worn. If masks are to be worn, it is critical to follow best practices on how to wear, remove and dispose of them and on hand hygiene after removal.
  • As for any travel, travellers are also advised to follow proper food hygiene practices, including the five keys for food safety, as well as recommendations to reduce the risk of transmission of emerging pathogens from animals to humans in live markets. Travellers returning from affected areas should self-monitor for symptoms for 14 days and follow national protocols of receiving countries. Some countries may require returning travellers to enter quarantine. If symptoms occur, such as fever, or cough or difficulty breathing, travellers are advised to contact local health care providers, preferably by phone, and inform them of their symptoms and their travel history. For travellers identified at points of entry, it is recommended to follow WHO advice for management of travelers at points of entry.
  • Guidance on treatment of sick passengers on board of airplanes is available on ICAO and IATA websites. Key considerations for planning of large mass gathering events are also available on WHO's website.
  • For countries which decide to repatriate nationals from affected areas, they should consider the following to avoid further spread of COVID-19: exit screening shortly before flight; risk communication to travellers and crew; infection control supplies for voyage; crew preparedness for possibility of sick passenger in flight; entry screening on arrival and close follow-up for 14 days after arrival.

For more information:

1. Ministry of Health Coronavirus hotline: *5400

2. For updated information about Coronavirus see the Ministry of Health website (in English): https://govextra.gov.il/ministry-of-health/corona/corona-virus-en/

3. Emergency numbers in Israel (in English): https://anglo-list.com/directory/emergency-numbers-in-israel 

4. For World Health Organization see: https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-for-public

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Sunday, 29 March 2020

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