The health carer

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Science  14 Feb 2020:
Vol. 367, Issue 6479, pp. 730-733
DOI: 10.1126/science.367.6479.730

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  • Disinfection at home

    In an article entitled “The Size Distribution of Droplets in the Exhaled Breath of Healthy Human Subjects” (1), RAO S. PAPINENI wrote that not only coughing but also breath carries microorganisms capable of transmitting disease. In an article entitled “The Size Distribution of Droplets in the Exhaled Breath of Healthy Human Subjects” (2), Neeltje van Doremalen wrote that COVID-19 remained viable in aerosols throughout for three hours and it was also detected up to 72 hours after application to the surface on cardboard and plastic.
    In conclusion, COVID-19 may be brought in a home if the discharged virus land on articles such as purchased goods, cardboards, and shoes within three hours. Therefore these items should be disinfected as a priority. Especially, in case staying home with polluted shoes on will increase the risk of contact with the virus.

    Competing Interests: None declared.
  • What is the best policy for virus management?

    Kai Kupferschmidt wrote an article entitled “The health carer” (1). The article should emphasize what is the best policy for suppressing covid-19 problems globally. The famous proverb has told us that “you can never be too prepared” or “preparedness is the key.” We are not sure whether covid-19 is airborne or not as of today. However, we should prepare for treatments of covid-19 as airborne from the viewpoint of the emergency risk management. Although WHO does not classify covid-19 as airborne, covid-19 is classified as an airborne high consequence infectious disease (HCID) in the UK (2). The total number of confirmed infections from the Diamond Princess cruise ship in Yokohama is 355 as of Feb. 16, 2020. One quarantined official was infected because the Japanese government has not prepared for airborne infections. The current treatments include isolations and preventions. We should actively inactivate covid-19 viruses by the new technologies including platinum nanoparticles (3,4,5), far-UV lights (6,7), and non-thermal plasma reactors (8) respectively.

    1. Kai Kupferschmidt, The health carer, Science 14 Feb 2020: Vol. 367, Issue 6479, pp. 730-733
    2. https://www.gov.uk/government/collections/wuhan-novel-coronavirus
    3. Itohiya H, Matsushima Y, ShirakawaS, Kajiyama S, Yashima A, Nagano T, et al. (2019) Organic resolution function and effects of platinum nanopa...

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    Competing Interests: None declared.

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