<span style="color: #222222;">Chennai has reported six new cases of Covid 19 patients on a single day yesterday, raising the total number of infected patients in Tamil Nadu to 18. Two of the new cases are those who returned from the US including a 74-year old male from Porur and a 52-year old lady from Purasawakkam. <br />''<br />''They have been admitted into the Stanley Medical College Hospital in the city. The third one is a 25-year-old female from Keelkattalai who has a travel history of visiting Switzerland. She has been confined to the isolation ward in the Kilpauk Medical College Hospital in Chennai. The other one is a 65-year-old male who recently returned from New Zealand and is admitted in a private hospital. A 25-year man who arrived from London has been tested positive and kept in the Rajiv Gandhi Government General Hospital in the city. The sixth one is a 55-year old man from Saidapet whose travel history is not yet known. He is now in the isolation ward of the Kilpauk Medical College Hospital.<br />''<br />''The state health minister Dr C Vijayabhaskar has said the test results of 120 more samples are awaited. Out of the 743 samples tested so far in the state, 608 were tested negative. The first patient has recently been discharged after his complete cure.</span><br />