Three kept in observation at Delhi's RML Hospital for possible exposure to Coronavirus. (Image for representation: Reuters)

Three persons, suspected of being affected by the new coronavirus, have been kept under observation at an isolation ward of Ram Manohar Lohia (RML) Hospital in Delhi, news agency ANI quoted hospital authority as saying.

Minakshi Bhardwaj, Medical Superintendent at RML Hospital said that three suspected cases of coronavirus have been reported at the hospital and the patients have been kept in isolation for further treatment.

Dr. Minakshi Bhardwaj, Medical Superintendent, Dr. Ram Manohar Lohia Hospital, Delhi: 3 suspected cases of #coronavirus have been reported at the hospital. The patients have been kept in isolation for further treatment pic.twitter.com/R2mOY71Saj ANI (@ANI) January 28, 2020

"The three -- all men aged between 24 and 48 -- were admitted on Monday and their samples have been sent for testing," Minakshi Bhardwaj told PTI.

While two of the men are residents of Delhi, one hails from NCR.

Till Monday, a total of 33,552 passengers arriving in India from China in 155 flights have been screened.

On January 26, it was reported that over 100 people were kept under observation in Kerala and Maharashtra following screening for a possible exposure to novel coronavirus (nCoV). Samples of four other passengers tested earlier have been confirmed to be negative for nCoV by the lab.

Union Health Minister Harsh Vardhan had earlier confirmed that no positive case has been detected in India so far though samples of seven passengers have been sent to the ICMR-NIV Pune lab.

Meanwhile, the death toll due to the coronavirus outbreak has reached 106 and over 13,000 new cases have surfaced in China.