Guwahati, June 7 (IANS) A three-member central team, on a week-long visit to Assam, is studying the state's Covid-19 management and has held a series of discussions with senior state officials, a top official said on Sunday.With 92 fresh cases on Sunday, Assam's coronavirus tally climbed to 2,565 with 1,943 of them active cases. Principal Secretary, Health and Family Welfare, Samir Kumar Sinha said that the three-member team from the Union Health and Family Welfare Ministry, is now studying disease management in Asia (SII) to supply one billion doses of University of Oxford's potential Covid-19 vaccine, AZD1222, for low-and-middle-income countries, with a commitment to provide 400 million before the end of 2020.In addition, it reached a $750 million agreement with the Coalition for Epidemic Preparedness Innovations (CEPI) and the Vaccine Alliance called Gavi to support the manufacturing, procurement and distribution of 300 million doses of AZD1222 vaccine, with delivery starting by the end of the year.Oxford University recently announced the start of a Phase II/III trial of AZD1222 in about 10,000 adult volunteers.Over 100 vaccines are currently in the race to end the Covid-19 pandemic that has affected over 6.5 million people globally. --IANS na/vd