After yesterday’s post on CO₂ monitoring, I’ve been happily surprised at how many people expressed interest. Here’s more on that, and a few updates. Vaccines are rolling out as a new danger arrives; it’s more important than ever to be careful and think clearly.[Read more…]
Note: tomorrow I’ll have an important update on the coming surge of the B117 variant.
The Washington Post ran a big piece on CO₂ monitors last week, and I felt smug, because I scooped ’em with my Jan 23 post. CO₂ is a good indication of air freshness, which is important because fresh air dilutes any contaminants, including virus particles. Their article:
I’ve started compiling all my virus posts into a /covid19 page, which I hope to convert into a series of pages.
Four months ago in Winter’s coming. Time to talk about ventilation for coronavirus defense, I talked about ventilation (fresh air) and about HEPA filters for cleaning indoor air. Here’s an update, focusing particularly on the latest bee in my bonnet: CO₂ detectors.[Read more…]
After my previous post Winter’s coming. Time to talk about ventilation for coronavirus defense I’ve been amazed that hardly any businesses I’ve visited are using HEPA filters – or if they are, they’re not touting it. Why??
This is important information, with potentially huge benefits for businesses and customers alike. Why are we all focused on waiting for treatment, when all of us (anywhere on the political spectrum) want two things:
- Be safe
- Get back to “as normal as possible” as fast as possible.
Update Nov 11: see also these related posts –
- How universal masking minimizes COVID-19 risk (great graphic) May 28
- Great NY Times visualization of how masks work against mists (aka aerosols) Nov 1
- For a much deeper dive into the mysteries of aerosols (aka mists), with links to things like National Geographic’s risk calculator, see the Google Doc https://tinyurl.com/FAQ-aerosols maintained by José L. Jiménez (@jljcolorado) and other aerosol specialists.
- The problem with “herd immunity” as a COVID-19 strategy May 4
- … and the many informative comments on the original Facebook post, linked in this article, as well as comments on this post.