A covid-19 Update from biologist, author and professor Abby Hafer of Curry College in Massachusetts with Ken Gale, host and producer of Eco-Logic, based on the original Pod Cast.  Also with Donna Stein, as co-host, who recently recovered from the viral infection while in a NYC hospital.  They talk of science, hospitalization, the system itself, the sickness in practical and scientific terms.  And take listeners telephone calls.