<span style="color: #222222;">Union Health Secretary Rajesh Bhushan has written to Haryana, Uttar Pradesh, Delhi, Maharastra, and Mizoram on the increasing COVID cases and positivity rate. In his letter, the Health Secretary advised them to continue monitoring spread of infection and undertake required steps for prompt and effective management of COVID.<br />''<br />''He said it is essential that a strict watch is maintained and pre emptive action taken to control any emerging spread of the infection. Centre has emphasised on the five fold strategy of Test-Track-Treat-Vaccination and adherence to COVID appropriate behaviour. It said laxity at any level may nullify the gains in pandemic management so far and called for regular monitoring and prompt follow up action in emerging areas of concern. </span><br />