COVID-19 can spread in air if schools don't have proper AC, report says https://t.co/sAxwAY092N pic.twitter.com/kS5j0gK9Js
— PCNAnswers Houston (@PCNHouston) August 4, 2020
from Twitter https://twitter.com/PCNHouston
August 04, 2020 at 04:06PM
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