"The safest situation, especially for prolonged contact in crowded
settings, is when everyone is wearing well-fitting N95 respirators."
"Now it’s understood the virus is airborne. Virus-laden particles
build up in the air over time indoors because of breathing and speaking.
"It’s time to rethink and upgrade masks for you and your family."
Here are excellent explainers on why we need to think differently about
masks in response to Omicrom:- via The Conversation > https://bit.ly/3qQy8lr
- via ABC> https://ab.co/3nQ8xr4