#59: PEG links to anti-freeze. So any connections between COVID-19 and hepatitis B virus are noted. We have already covered this cold-shock connection on another thread. Integration of retroviral elements into the coronaviruas genome in nature is documented, in particular, env sequences. We have already linked COVID-19 mutations to Alzheimer’s, thus by default, dementia, on another thread. The cardio link of special interest is coagulation factor XII, which links cardiopulmonary phenomenon to factor XII in both COVID-19 and hantavirus.