@ philipma1957
you can supplement your HEPA air filtration with UVC air sterilization.
look at this
http://kront.eu/en/landing/. you can easily assemble this if any product like this out there is out of stock or can't be purchased from your location.
parts are:
- box
- cpu fans(the silent fans)
- ballast
- PSU (tap the 110V for the ballast and supply the 12V to fans)
- non ozone generating UVC bulbs (non ozone so that it won't generate smell)
- air filter (only to prevent dust accumulation for fans and bulbs)
BTW for me, i found a way to UVC my AC, so some how it kind of works like this. but having this kind of unit where visitors inhaled/exhaled air will tend to get sucked first before getting its fair spread in a room (strategic positioning) like beside the door unlike AC systems.
also you might want to take a look at NAC (n-acetyl-l-cysteine) for your wife, it is a mucolytic agent (might help), it is OTC supplement so I am assuming it is safe.
here is a "NAC" search on amazon.
https://www.amazon.com/s?k=nac&ref=nb_sb_noss_1I am a bit more on the herby side(still contains NAC), i am taking this one.
https://www.amazon.com/Natural-Factors-Bronchial-Promotes-Tablets/dp/B00028OO52helped me with my rhinitis, got some mucus out when i started and felt my lung capacity get better, no way to measure but i can hold my breath longer and breath better.
Yeah I have been doing UVC sterilization for 2 years.
I have 3800 usd worth of air filter machines 4 all told. been filtering my air and water for years..
My family of cousin's , brothers nieces etc on my side is 100 people no one got a known bad case of it.
On my wife's side (450-500 people) 6 cousins got it 3 went to hospital all are recovered but one. He is 67 and was on a ventilator for 20 days he is now off the ventilator and is getting better.
My wife has almost fully recoverd she was in hospital in jan 13-16 it looks like everyone in our extended family will recover.
I have to say centra state hospital had 210 of 280 beds filled with respiratory issues when my wife was admitted. The emergency room was packed. So I am thinking this was 1 month before the major news hit USA. My opinion is a lot of people got sick in Jan in the USA and recovered from the covid-19 By early Feb.
At least in central NJ USA