The novel coronavirus (COVID-19) epidemic has swept the world, and it has continued from the beginning of 2020 to the present, which not only allows people to implement personal hygiene protection, but also deeply experience the importance of "public health". However, although the cleaning methods such as alcohol disinfection or frequent hand washing, which are well-known to the general public, have a certain degree of epidemic prevention effect, they still cannot be completely sterilized.
Is the COVID-19 virus difficult to company banner design prevent? The two transmission routes of "droplets" or "aerosols" are the key culprits Dr. Zhu Jiming, a professor at the Department of Public Health of the National Defense Medical College, said that the key to the difficulty of preventing the COVID-19 virus is that it spreads through two ways: "droplet transmission" and "aerosol transmission", which is more difficult than the commonly known "contact transmission". "It's more difficult to break the chain of transmission.
The spread of the COVID-19 virus can be as far as 2-10 meters, and it can continue to be suspended in the air for tens of minutes to hours. Wide spread, long survival time, and maintaining a certain activity are the keys for the COVID-19 virus to cause a global pandemic in a short period of time. UVD_Picture 1 Dr. Ji-Ming Zhu, Professor, Department of Public Health, National Defense Medical College (Photo Credit: The News Lens Brand Studio) To stop the spread of germs, the most important thing is to disinfect the route of infection Dr. Zhu Jiming added that from the epidemiological triangle model, it can be known that the spread of an epidemic is composed of three components: "the source of infection, the route of infection, and the host". Therefore, in order to block the expansion of viruses or bacteria, in addition to mastering the source of infection, the most important thing is to disinfect the route of infection.