Over 30 students tested positive for coronavirus in Punjab as the state ramped up testing in schools just days after offline classes began for the first time since the outbreak of the pandemic on August 2. "Our government has started a new system wherein school students are also being tested. So far, more than 21,200 tests have been done and 33 students have tested positive for Covid," Punjab Health Minister Balbir Singh Sidhu was quoted as saying by news agency ANI.