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Coronavirus transmission: you can help to break the chain

Alexander Alexeenko - 24.03.20

Some coronaviruses remain on the surface for several days, but additional studies are needed to determine how COVID-19 is specifically transmitted. Additional research and analysis of epidemiological data is needed to understand how the virus is transmitted. It is currently known that surfaces can be contaminated with a virus. Some studies show that coronaviruses can persist on different surfaces for several days depending on a combination of parameters such as temperature, humidity and light. So says the representative of WHO, Melita Vujnovich. How coronavirus is transmitted, what complications are possible, whether masks, in particular N95, can help due coronavirus mode of transmission.

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1. Infectionists have described the human coronavirus mode of transmission

Coronavirus has a special way of penetrating cells. It does not penetrate the cell membrane in arbitrary places, like many other viruses. The “corona” of the virus serves to attack cells by replacing the molecules of the “corona” that are important for their vital activity. Doctors warn that the danger of a new type of coronavirus lies in the ease of its transmission from person to person, and recall that COVID-2019 poses a special threat to older people.

Experts note that the viral nature of the pathogen is manifested in a sharp increase in body temperature up to 39 degrees and above, which is accompanied by muscle pain without a clear localization. Marked higher susceptibility of men to coronavirus disease, this is due to the fact that men are more sociable and less seasoned than women and more susceptible for human coronavirus mode of transmission.

2. Q&A about coronavirus transmission

What is coronavirus and how does infection occur?

The new coronavirus is a respiratory virus. It is transmitted mainly by airborne droplets as a result of inhalation of droplets released from the patient’s respiratory tract, for example by coughing or sneezing, and droplets of saliva or nasal discharge. Distribution is possible when the patient puts his fingers to his face and touches his lips, mouth, nose or comes into contact with the mucous membrane of the eyes.

What are the symptoms of coronavirus?

The main symptoms of coronavirus are:

  • elevated temperature;
  • sneezing;
  • cough;
  • labored breathing.

In the vast majority of cases, these symptoms are associated not with coronavirus, but with the usual SARS transmission.

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3. Coronavirus mode of transmission

Transmission ways:

  • airborne (the virus is released by coughing, sneezing, talking);
  • contact-household (through household items).

The most important thing you can do to protect yourself is to respect personal hygiene and reduce visits to public and crowded places.

  • Keep your hands clean, wash them often with soap and water, or use a disinfectant.
  • Try not to touch your mouth, nose or eyes with unwashed hands (usually such touches are unconsciously performed by us on average 15 times per hour).
  • At work, regularly clean surfaces and devices that you touch (computer keyboard, general office equipment panels, smartphone screen, remotes, door handles and handrails).
  • Carry disposable wipes with you and always cover your nose and mouth when you cough or sneeze.
  • Do not eat food (nuts, chips, cookies and other snacks) from common packages or utensils if other people dipped their fingers in them.
  • Explain to the children how microbes spread and why hand and face hygiene is important to avoid coronavirus transmission. Tell your children about coronavirus prevention. Ventilate the area frequently. If you find symptoms similar to those caused by the coronavirus, stay home and call a doctor.

Do masks help with infectious diseases?

The use of a disposable medical mask reduces the risk of contracting viral infections that are transmitted by airborne droplets (by coughing, sneezing). For ARVI patients, wearing a mask is mandatory, the mask needs to be changed several times a day.

How long can symptoms of a new coronavirus infection appear?

Symptoms may occur within 14 days after contact with an infectious patient.

What complications can be after coronavirus infection?

A new coronavirus infection refers to acute respiratory viral infections (SARS), and its complications can be the same as other SARS: pneumonia, bronchitis, sinusitis and others.

An outbreak of SARS-CoV-2 coronavirus occurred in Wuhan, China, at the end of December 2019. On March 11, WHO announced a pandemic. Acute respiratory infections have been reported in more than 195 countries.

According to Worldometer data, on March 24, more than 378 thousand people became ill over the globe, more than 101 thousand patients were cured, 16 490 people died.

As of today, March 24, 2020, there have been 46168 confirmed cases and 582 deaths due to coronavirus COVID-19 in the USA.

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