Dear candidate whatever was the reason behind your inability to pursue medical studies, you still have chances to do advanced short term courses on this particular area of expertise. There are different courses offered in Coursera, Udacity conducted by Stanford, Luke University on following topics like Human Physiology, New Born Baby Care, Healthcare Management, COVID-19 detailed analysis, anatomy of Chest,Neck etc, community Healthcare guidelines and many more. So you can learn a lot from there, with certification to gather profound knowledge regarding your preferential area.

Good luck!!