Good evening My self suresh, my question regarding for my father. 2 years back my father get lite pain brain backside so we approach st.johns hospital in Bangalore, there doctor suggested fee medecine for 2 months, it cause because of blood clot in nervous in brin and Dr. suggest my father to continue Ecosprin-AV 150 regularly for life long for blood. now I'm planning for covid vaccine to my father, so we would like to know which vaccine is suggested covacine or covid sheld and how many days before my father should stop medecine i.e, Ecosprin-AV 150 to get vaccine and after Vaccine how many days after my father should start taking medicine.