Greg Salmela
1 min readSep 27, 2020

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Don’t jump to conclusions that masks are not effective.

There’s a local news story of two barbers who unwittingly gave each other COVID-19, but serviced customers for a few weeks before each barber started experiencing symptoms.

Throughout that period, both barbers practiced strict safety protocols with customers, with masks being mandatory.

What’s interesting is that health professionals then located and tested each customer serviced by the sick barbers and found that none had the virus.

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Greg Salmela

Hanging with human-centred thinkers, researchers and designers.