A few resources:
https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-blood-donations
which links to
AABB: http://www.aabb.org
America’s Blood Centers: http://www.americasblood.org
American Red Cross: http://www.redcrossblood.org
Armed Services Blood Program: http://www.militaryblood.dod.mil
Blood Centers of America: http://www.bca.coop
and this which was also informative
https://www.redcrossblood.org/donate-blood/dlp/coronavirus--covid-19--and-blood-donation.html