Since then, no Hospital Acquired Infections. And - they saved a ton of money by using them instead of N95's.
Not only do they save money, but the respirators are very comfortable. I wear a 3M version myself, and they are so much more comfortable than scratchy FFP3's.
They are also much more protective:
And the HCW's loved them;
I understand if this sounds too good to be true. Here's their website:
At the bottom of that page, is their Respiratory FAQ:
Ah, it's that time of year again. The pitter patter of children's feet. The laughter of high school students as they flirt with each other.
The coughs of their parents.
Is a Portable Air Cleaner (PAC) on a desk aimed at the wee ones' faces going to protect them?
TLDR? No. They need to be in a N95 or KF94 purchased from legit distributors, not from Amazon, and eat their food outdoors, spaced far enough away from their friends so as not get infected. Or use @sipmask and protein shakes at lunch in the cafetaria.
You need to teach them
about how it can take as little as one breath of uncleaned-air to get infected (100 virions study on my profile). How it can mess them up in terms of their entire body.
You need to have the "Birds and the Bees and Covid" talk, in other words.