Tamil Nadu on Monday reportedthree more positive cases of coronavirus, taking the total to 12, Health Minister C Vijaya Baskar said.These include two, both men, with travel history to London, while the other is a 54-year-old man, he tweeted.They have been admitted to the designated hospitals in the city and in Madurai.As part of curbing the spread of virus, Tamil Nadu government has announced a lockdown till March 31 from 6 PM on Tuesday.
