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:

In a major new pandemic trend, people are turning to carbon dioxide monitoring devices to help assess ventilation quality

[Read more…]