This isn't controversial. Sunlight kills viruses. They thrive in unventilated, dark indoors places. Sun/outdoors also increases immunity, and people are less likely to get sick if they are healthier. It isn't some novel statement, this is ... very basic.
-
-
CORRECT! UV-C Light Is Harmful To Humans Must be used in a controlled environment http://www.qi-now.com pic.twitter.com/grXazeNm9x
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.