Heparin is a common 'blood thinner / anticoagulant' used in hospitals. in 2020 injections of it prevented my death from a pulmonary embolism.
Heparin's dirt cheap, an 'old-timer', common as grass throughout the health sector and now able to be transformed for application to the lungs via a nebuliser. According to recent research it can deliver improvement for 70% of serious Covid cases.
Although I've no medical expertise and I'm making no recommendations about heparin's use, it's my view that the article below is worth reading:
" Clinical trial shows common drug heparin can be used to improve COVID-19 symptoms " " Researchers have determined that a cheap and widely available blood-thinning drug can be used to treat COVID-19 patients by improving their breathing. ..." https://www.abc.net.au/news/2022-01-20/heparin-can-be-used-to-treat-covid-19-patients-successfully/100767852
