02-28-2020, 10:41 AM
It's been shown to be a bit more complicated - water slows evaporation and increases contact time so 70% IPA is actually more effective than 90%+ for disinfecting.
https://blog.gotopac.com/2017/05/15/why-...-used-for/
20% seems way low based on other recommendations I've seen - like spirits fail to completely disinfect when their alcohol content is below 50%. (quick grab - probably better sources)
https://www.thestranger.com/seattle/dear...id=1395764
Meanwhile, local woman tests negative for SARS-CoV-2 after being exposed to a case in Northern California (one of few confirmed cases there now). (only on SA for now - catch while catch can)
https://www.staradvertiser.com/2020/02/2...ronavirus/
ETA: Woman tested is a health-care worker who cared for the recently confirmed case in CA. She arrived in Honolulu yesterday with mild symptoms, quarantined in her hotel room, tested negative for COVID-19 virus by HI state lab today, confirmed as common cold virus.
https://blog.gotopac.com/2017/05/15/why-...-used-for/
20% seems way low based on other recommendations I've seen - like spirits fail to completely disinfect when their alcohol content is below 50%. (quick grab - probably better sources)
https://www.thestranger.com/seattle/dear...id=1395764
Meanwhile, local woman tests negative for SARS-CoV-2 after being exposed to a case in Northern California (one of few confirmed cases there now). (only on SA for now - catch while catch can)
https://www.staradvertiser.com/2020/02/2...ronavirus/
ETA: Woman tested is a health-care worker who cared for the recently confirmed case in CA. She arrived in Honolulu yesterday with mild symptoms, quarantined in her hotel room, tested negative for COVID-19 virus by HI state lab today, confirmed as common cold virus.