NEW DELHI – India tested its COVID-19 vaccine delivery system with a nationwide trial on Saturday as it prepares to roll out an inoculation program to stem the coronavirus pandemic.The trial included data entry into an online platform for monitoring vaccine delivery, along with testing of cold storage and transportation arrangements for the vaccine, the health ministry said in a statement.The massive exercise came a day after a government-appointed panel of experts held a meeting to review the applications of potential vaccine candidates, including front-runner Covishield, developed by Oxford University and U.K.-based drugmaker AstraZeneca.India’s vaccination drive is expected to start in a few days once the country's regulator approves a.