Chhattisgarh Health Minister T.S. Singh Deo on Sunday reviewed the Covid-19 situation and the cases of seasonal diseases including dengue. At a meeting with officials, he enquired about the Covid vaccination drive and issued instructions to take effective steps to avert a third wave of the pandemic.He told the officials to keep ready oxygen and ventilators keeping in view a spurt in cases.Regarding increasing cases of dengue, he called for making available medicines at the health centers and creating awareness vis-a-vis hygiene during the rainy season.