MEXICO CITY (AP) — Mexico announced a huge bet on Chinese vaccines Tuesday, without making public any information about their efficacy. Foreign Relations Secretary Marcelo Ebrard said the Mexican government has signed agreements for 12 million doses of the yet-unapproved Sinopharm vaccine and increased to a total of 20 million doses its contracts for the Coronavac dose made by China’s Sinovac. Deliveries of Sinovac have already started, with the full 20 million doses expected by July.Read more on NewsOK.com