<br/>Bruhan Mumbai Municipal Corporation health officials informed today that two persons succumbed to swine flu in the past two days in the city, taking the H1N1 death toll in the city to three in July. The official informed that both died while undergoing treatment in private hospitals. According to them, 20 persons, who have tested positive for the H1N1 in the city are being treated. Since May, 12 persons have died of swine flu in Mumbai.