AirQ Profile picture
21 Feb, 4 tweets, 1 min read
Exactly one year ago I was quite concerned about a new emerging virus. So I created a Facebook group to share practical fact-based info about it. This was one of the first posts on Feb 21, 2020: “This image below is the most important part of the daily WHO updates...” (1/n)
“...It’s the chart of number of international cases outside of China, and we’d like to see it start trending down. At first (on left), we see that almost all cases were from China (orange), then over time, the growth was from cruise ship cases (blue), and now it’s...” (2/n)
“starting to spread within international countries (green). So that green number is the one to watch, and as you can see it’s starting to grow. Hopefully that’s due to some recently-found cases they can all track down and stamp out, but if it continues to spike then...” (3/n)
“it’ll get harder to lock things down.” (4/n) [...My reaction to seeing this again now: it’s stunning in hindsight to see just how few cases that chart had, and how much has happened since. It’s rather sad we didn’t make more of an effort to stamp it out back then.]

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More from @AirQ007

18 Feb
Today one of my kids took a CO2 meter to class. They said it was hard to see if windows were opened a crack or not, but here’s the chart: Image
The dip in the middle is when they left for a short break.
Also here’s the humidity chart, a gradual decline throughout the morning: Image
Read 4 tweets
12 Feb
(1/n) Given recent funding directed to the use of plexiglass barriers for fighting COVID-19, I thought a thread on what experts have said on the topic would be helpful...
(2/n)According to @kprather88 they block big droplets but aerosols float right around them
(3/n) @shellymboulder suggests large plexi barriers may not reduce risk
Read 15 tweets

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