Chennai: Tamilnadu Health Secretary Dr J Radhakrishnan has urged the public to strictly adhere to the protocols set in place for the coming two weeks as Covid-19 cases are sharply rising in the State. “The next two weeks are very crucial” he said. “The second wave of Covid-19 is not just an issue for Tamilnadu but for the country. We must restrict unnecessary travels and visits to public places. Covid protocols must be strictly adhered to for the next two weeks” he told the media..