From my mom- FL 55+ community, outdoor water aerobics class last Wed infected everyone with (probably) covid; yesterday one of the participants was found dead in her home. Moral of the story- get a pulse-ox and go to the ER if you aren't getting enough oxygen.
(also, several were infected despite being triple vaxxed and just sharing an outdoor "gym", I guess omicron is that contagious)
As an update, not a single person has tested positive for covid, we're thinking it is RSV. Another man is in the hospital on bypass, pretty tragic either way.