Intravenous Injection of Coronavirus Disease 2019(academic.oup.com) |
Intravenous Injection of Coronavirus Disease 2019(academic.oup.com) |
And I think for the vaccine they use a part of the arm without major veins, to avoid complications, bleeding and bruises.
I for one am confused as to why they wouldn't aspirate as standard procedure. I had to take some training on intramuscular injections a while back to help a family member, and checking for blood before proceeding with the injection was one of the major points.