What is the coronavirus?

Coronavirus is a large family of viruses that can infect humans or animals. In humans, we know that several coronaviruses can cause respiratory infections from the simplest to the most serious. They are often seasonal.
The various manifestations range from the common cold to more severe infections like (MERS) Middle East respiratory syndrome or (SARS) severe acute respiratory syndrome. This disease and this new virus were unknown before its appearance in China in Wuhan in December 2019. COVID-19 is the latest coronavirus discovered in 2019. source who.int

What are its biological characteristics?

Coronavirus Covid-19

SARS-CoV-2 also known as COVID-19 is an infectious disease of the respiratory system. It is transmitted by a virus that measures approximately 125 nanometers, or 0,000,000 125 meters.
Here is a small comparison on the size of some common germs:

  • Influenza viruses: 0.08 µm to 1 µm in diameter.
  • Influenza A virus: 0.08 – 0.12 μm

Concerning SARS-CoV and MERS-CoV which are species of coronavirus, their average size is 0.1 μm but it can vary between 0.06 to 0.2 μm
Common staphylococci, on the other hand, are about 1 μm in diameter.

 

What are the modes of transmission of the coronavirus?

At this time, the contagion of the coronavirus named COVID-19 was established according to three possible modes. Here in order of influence, the 3 currently known modes:

  • 1. By touching contact with eyes, mouth or nose (facial mucous membranes) with contaminated areas or hands.
  • 2. By droplets about 0.5 to 60 µm in size when talking, sneezing, coughing, or blowing one’s nose.
  • 3. By air through speech, respiration, via aerosols (less predominant), or others …

How to fight this coronavirus?

Coronavirus killerThe “Pyramid Air Protect” air and surface purifier is really a very good tool against the coronavirus. Its 3-function therapy has been tested and certified by an independent European laboratory. It is remarkably effective and proven against this Covid-19 virus and all other viruses or bacteria.

UV air purifier or Ozone air sterilization are effective means to combat the epidemic of coronavirus and the various infections