Looking at Google Trends for n95 is interesting. In the US the search term 'n95' was gaining interest in the week of January 19, 2020. https://trends.google.co

Looking at Google Trends for n95 is interesting. In the US the search term 'n95' was gaining interest in the week of January 19, 2020. https://trends.google.com/trends/explore?date=2019-12-01%202021-04-30&geo=US&q=n95 https://trends.google.com/trends/explore?date=2019-12-01%202... Worldwide it was January 5th. https://trends.google.com/trends/explore?date=2019-12-01%202021-04-30&q=n95 https://trends.google.com/trends/explore?date=2019-12-01%202...