Fifteen of 21 Italian tourists, who have been quarantined in Delhi, are suspected to have been infected with the deadly coronavirus, say sources. They were a part of a group of 23 Italians who landed in Delhi and traveled to Rajasthan last month. One of them - currently in Jaipur - tested positive on Tuesday, making it the fifth case in India in the last two months; his wife is also under watch for suspected infection.