Prevention of COVID-19 (Hand Washing (Water and Soap, at least 20 second,…
Prevention of COVID-19
Face Mask ?
virus particles may pass mask ?
must 70 - 90 % by volume
Beware Alcohol gel that have < 70% alcohol by volume
Can kill many types of viruses more than Isopropyl Alcohol
Alcohol Spray or Alcohol gel
Wait until your hand dry ==> already kill virus
can kill coronavirus
use in closed room
How long does it work ? How many minutes ?
Toxic to coronavirus
May toxic to Alveoli (in lung)
Should open Ozonizer for many minutes or 1 hour (for sure to kill coronavirus)
Can use in many public place such as Airport, Hospital, School, etc. (Open Ozonizer by room (Airport or Hospital : open in closed room then open in the next room) or time after school (In School)
But don't stay in room when open the Ozonizer
Water and Soap
at least 20 second
Hand dryer can't kill coronavirus
2 - 10 days before have fever (after infection)
Use 70% Spray Alcohol at
Wash the Spout of Water tap (water and soap) every time you use it
Use 70% Alcohol spray again when you leave the rest room
Wash your hand with water and soap at least 20 second
Air Conditioner room
Face Mask ?
May effective (But not 100%)
After touch Door knob
Use 70% Alcohol Spray or 70% Alcohol gel
Wait until your hand dry (Before touch any part of your body)
to denature protein of virus
must very high temperature