For those discussing plastic barriers for HHN houses....Today's NY Times (paywall)..."Those Anti-Covid Plastic Barriers Probably Don't Help and
May Make Matters Worse". "Erecting plastic barriers can change airflow in a room, disrupt normal ventilation, and create 'dead zones' where viral aerosol
particles can build up and become highly concentrated'...The article quotes a number of studies and discusses why plastic shielding is probably
a negative health effect in supermarkets, restaurants, schools, etc.