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Also, WHO guidelines state the following: "If you are healthy, you only need to wear a mask if you are taking care of a person with COVID-19."
Yes, but since then many national and local health authorities are now recommending wearing face coverings for everyone when you are out in public. And some municipalities even require it, such as where @cooleddie74 lives. Hence the negative reactions from people who don't like the idea of being required to wear a mask.
Kor