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New coronavirus protection knowledge

1. What is new coronavirus pneumonia?

Infectious pneumonia refers to the inflammation of the lungs mainly caused by the infection of different pathogenic microorganisms. The pathogens of infectious pneumonia can be divided into several types according to the types of pathogenic microorganisms, bacteria, viruses, fungi, mycoplasma, chlamydia. Winter and spring are the seasons of high incidence of respiratory infectious diseases, and also the period of high incidence of viral pneumonia. The main clinical symptoms of viral pneumonia include fever, cough or chest tightness, and difficulty breathing.

Coronavirus is a type of pathogen that causes viral pneumonia. Coronavirus is about 80-140 nanometers in diameter, and spherical enveloped virus is a positive-strand RNA virus. Because the surface shape of the enveloped envelope protein of spherical virus protrudes like a crown shape, it is named as coronavirus. Coronavirus is the causative agent of zoonotic diseases. There are 6 known human coronaviruses, 4 of which are more common and less pathogenic, generally causing mild respiratory symptoms similar to the common cold. The other two causes of severe respiratory infections were the severe acute respiratory syndrome coronavirus (SARS-CoV) outbreak in Guangdong in 2003 and the Middle East respiratory syndrome coronavirus (MERS-CoV) that emerged in Saudi Arabia in the Middle East in 2012. These two viruses are derived from wild animals (bats). They are transmitted to civet and camels, and then to people, and then spread among the crowd. The nucleic acid sequence of the newly discovered virus in viral pneumonia in Wuhan this time is significantly different from that of the known SARS-CoV and MERS-CoV coronavirus. Therefore, it was named 2019 New Coronavirus (2019-nCoV) by the World Health Organization (WHO).

2. What protective measures are there?

Coronavirus infection is mainly droplet infection or contact infection. It is recommended to go to places with less crowds and wear masks (preferably medical N95 masks) when you go out. Although wearing a mask cannot prevent the inhalation of nano-scale virus particles, it can block the droplets containing virus particles and reduce virus infection risk.

Avoid close contact with anyone with cold symptoms. Because your hands will come into contact with virus-attached objects, such as door handles, elevators, and various buttons in public places, you should minimize touching the mouth, nose, eyes, and other virus-infected parts with your hands. Wash your hands with running water or soap after going out. Rub your hands for no less than 20 seconds. You can also use a no-clean hand sanitizer containing 70% -80% alcohol if possible.

If you have a fever, cough, sneeze or other cold-like symptoms, wear a mask or tissues, clothing, etc. when coughing or sneezing to cover the nose and mouth to reduce the spread of the virus.





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