kolkata a 57yearold man with no foreigntravel history and a 23yearold woman who returned from scotland tested positive to covid19 within 24 hours in bengal taking the total number of confirmed cases here to four while three of the patients returned to the city from uk what has set alarm bells ringing within the medical fraternity and the administration is the case of the fourth patient who has no travel history and did not come in contact with anyone with known foreigntravel history the man from dum dum was admitted at a private hospital in salt lake on monday he was suffering from fever and dry cough for four days prior to hospitalisation his symptoms worsened on thursday to acute respiratory syndrome and he has been on ventilation since more on covid19coronavirus pandemic complete coveragecoronavirus what are the symptoms52 testing sites for coronavirus in indiahelpline numbers for states and utsdo fever and cough mean you need covid19 testhow to stay safehow to quarantine yourself at homethe patients swab samples were first sent to sskm hospital where it came out positive it was then sent for reconfirmation to icmrniced the nodal diagnostic lab for the entire eastern region where it again tested positive swasthya bhawan officials said sources at the private hospital where the patient is admitted said the 57yearold was treated as a suspected covid19 patient right from day one and kept in an isolation ward the hospital had taken proper protective measures for its doctors and frontline healthcare workers who were dealing with the patient he is s currently in isolation icu his condition is serious said a hospital sourcethe health officials said they are trying to identify family members who had come in direct contact with the patient the other patient who tested positive late on friday night is a 23yearold resident of habra in north 24 parganas the young woman had recently returned from scotland where she is pursuing an mba course she followed the instruction at the airport and headed straight to the beliaghata id hospital unlike the first two city patients who had sought hospitalization after several days at their respective homes raising a scare of transmission now under treatment doctors said her condition is stable his father a friend and the family driver have been kept in home isolation the two other covid19 patients in the same hospital are also stable