Innovative Design of Masks And Anti-epidemic Products Under The Threat of Coronavirus
*How Does The New Coronavirus Attacks Human Body
The Covid-19 (SARs-CoV-2) virus enters the human respiratory tract in the form of particles and floats through the human nose and mouth until it passes over a long-shaped cell that has ACE2 (angiotensin converting enzyme) and serine protease TMPRSS2 receptors on the surface. The virus will immediately bind to this cell, attack its replication system, use the TMPRSS2 to activate the spike protein on the virus particle, then inserts it into the cell membrane through the Fusion Machinery of the spikes, which is open up now instead of folding up, while opening the outer layer of the cell membrane, the viral RNA and N protein inside the virus can slide into the long-shaped cell to help replicate itself until the viruses burst out and kill the cell, then start looking for other cells to invade.
Although the infected cells will send a warning to the immune system, trying to let it neutralize or eliminate pathogens, the virus can stop or intercept this warning, so that it has sufficient time to replicate before people starts showing symptoms.
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