Chennai, April 1 : The Coimbatore based Isha Yoga Centre on Wednesday said no coronavirus affected persons are with it and foreign nationals who had visited the centre were requested to observe 28-day quarantine period. The centre had held a massive gathering during Shivaratri in February. In a statement, Isha Yoga said the centre which receives several international visitors had acted much before the central and state government announced lockdowns and travel bans. Isha requested visitors from China, Japan, Singapore and other COVID-19 affected countries, not to travel to the Yoga Centre as a precautionary measure both for travellers as well as the larger community, the statement said. According to Isha Yoga, people who had been to the COVID-19 affected countries including transits and airport layovers, were requested not to visit the centre. The Centre has been following mandatory screening and physical distancing protocols and foreign nationals who had visited were requested to observe 28-day quarantine period. The statement added that the residents and volunteers are now undergoing mandatory screening every two days and state health officials have been visiting the centre to conduct screening and checks since February and found no Coronovirus positive case. The Isha Yoga has offered its premises to the state government to help contain the virus spread. /IANS