Reading over @AIHA guidelines for library reopening safety and struck by 2 points that aren't being discussed (p. 4):
1. disinfecting air intakes and returns daily
2. increase of fresh air mixture (while maintaining 40-60% RH )

…https://aiha-assets.sfo2.digitaloceanspaces.com/AIHA/resources/Guidance-Documents/Reopening-Guidance-for-Libraries_GuidanceDocument.pdf

Librarians' focus (in my experience) has been focused on the shared handling of physical collections and placing patron-used books in "quarantine" and how long that quarantine period should be. #covidcollectionscare

But it increasingly looks that COVID-19 is spread primarily through airborne transmission (perhaps even from "super-spreaders"). Bringing people into facilities with recirculated air, even if patrons/staff are socially distanced from each other, is...a risk. #covidcollectionscare

Which is perhaps all just to say that conversations about reopening should include plans for staff (janitorial or other) to clean alllllllllllllllll the air vents. Everyday. #covidcollectionscare

And perhaps with existing HVAC systems and new air exchange recommendations, we will be challenged to care for both people and permanent collections? #covidcollectionscare