The total number of coronavirus cases have increased to 43 in India, including a three-year old boy in Ernakulam who tested positive on Monday morning.This is also the first case in the country where a child has been infected.The boy had returned from Italy with its parents at the Cochin International airport on an EK 503 flight on March 7 morning, officials said.A factory worker who came in contact with the coronavirus positive businessman from Agra, also tested positive on Monday, pushing the total number of coronavirus cases in Uttar Pradesh to six.Two more cases, on from Jammu and the other from Delhi, take India's count over forty in just one day.Five other cases from the Pathanamthitta district of Kerala were reported on Sunday. Kerala state Health Minister K.K. Shailaja said the family acted irresponsibly by not reporting to the authorities after arriving from Italy.Consequently, the patients including a 54-year-old man, his 53-year-old wife and their 24-year-old son, also infected two of their relatives, a 65-year-old man and his 61-year-old wife.Till Saturday, there were 34 cases of COVID-19 reported from India. The latest were from Ladakh and Tamil Nadu, having travel history from Iran and Oman respectively.On January 30, a medical student from Thrissur studying in Wuhan, China, became the first coronavirus positive patient in the country and soon two of her classmates also tested positive. All three of them have now recovered.At present, there are at least 16 Italian nationals in India, who have tested positive for the disease. Several other cases in the country have been reported from Agra, New Delhi, Ghaziabad and Gurugram.As many as 52 laboratories are operational across the country for testing, and an additional 57 laboratories have been provided with the relevant manual and swabs for sample collection.According to the Health Ministry, over seven lakh people from more than 7,000 flights have been screened at different airports.In order to spread awareness, a special COVID-19 mobile phone caller tune has been launched by all telecom operators, playing basic infection prevention messages when a caller dials-out.