Talk to Dermatologist on Hairfall To Baldness

I had Covid in July and it effected my lungs that I ended up in ICU and had Tosii injection. I was in recovery mode since than but than had my second dose on 3rd October of Sinovac vaccine. After that am extreme hair fall and now am getting bald. Went to Dermatologist she suggested Suberx and vitamin with hairloss shampoo. using it for 2 weeks but issue is still there Any Dermatologist I should consult or what should I do?