It is strongly recommended that all students have medical insurance for the period of studying (mostly for one year, later they prolong its validity). It allows to save money and get medical assistance in public medical institutions of Saint-Petersburg. This policy contains a memo with emergency phone numbers in case of insurance event (illness, injury, etc.) and a list of medical institutions where you can get medical assistance free of charge.
REMEMBER! You will not get free medical help without the insurance policy.