KATHMANDU: Ministry of Health and Population today confirmed 14 new cases of coronavirus transmission taking the tally to 30, from 16, in a single day. 11 Indian nationals, one Nepali in quarantine in Udayapur district test positive for COVID-19  THT's regional correspondent Shyam Rai quoted Udayapur's Chief District Officer Deepak Kumar Pahari as saying that eleven Indian nationals under quarantine at Triyuga Multiple Campus in Triyuga Municipality-3 have tested positive for coronavirus. One Nepali citizen who was in quarantine with them has also been detected with infection. Their swab samples had been sent to Biratnagar on Tuesday for PCR testing and the results have come out positive. They were in quarantine with four other Nepali nationals, who however, have not been found infected. 'The persons who tested positive had entered Nepal on December 10 from Delhi. They had come to Udayapur from Biratnagar and had also travelled to Sunsari and Saptari,' said CDO Pahari. Those testing positive for infection, along with four Nepalis who were together in quarantine with them, have been sent to Biratnagar-based corona special hospital in four ambulances for treatment under isolation. Two in Chitwan detected with coronavirus transmission Two UK returnees, a mother and her son, have tested positive for COVID-19 in Rapti Municipality of Chitwan district. The woman had tested positive for antibodies during the Rapid Diagnostic Test (RDT) on Wednesday. She had returned from United Kingdom via Hong Kong on March 18 with her two sons. On detection of coronavirus antibodies, the family of three were kept in isolation at Bharatpur Hospital and their swab samples sent to National Avian Disease Investigation Laboratory for further testing through PCR (Polymerase Chain Reaction) method, where two samples tested positive. THT's Chitwan correspondent Tilak Rimal informed that their swab samples were then sent to National Public Health Laboratory (NPHL), Kathmandu for further confirmation, which affirmed infection in the mother-son duo, according to Dr Bhojraj Adhikari of Bharatpur Hospital. With the latest addition, Nepal's Covid-19 cases have hit 30, from the earlier count of 16, in one day.