Medsi network of clinics invested ₽135 million in City Health LLC, which develops the Zdorovye.ru service. The platform provides access to more than 20 care programs for people with chronic and other diseases. The app includes symptom control diaries, a remote patient follow-up service for doctors, an AI assistant and other features. City Health LLC had revenue of ₽18.7 million in 2020. The company is valued at ₽1.135 billion.