The smell was reportedly strongest in the faculty lounge, and Ulster BOCES collected air samples from that room over a 48-hour period to check for volatile organic compounds (VOC), gases emitted into the air from certain products or processes.

Source: https://hudsonvalleyone.com/2023/04/24/all-clear-at-charles-m-riccardi-elementary-school-in-saugerties-students-return-to-the-classroom-after-last-weeks-chemical-scare/

The World Health Organisation (WHO) is currently monitoring the variant, but it has not yet been designated as a Variant of Concern (VOC).

Source: https://www.independent.co.uk/news/health/millenials-nightclubs-closure-covid-cases-b2462412.html