Source: South China Morning PostMexico announced a huge bet on Covid-19 vaccines from China on 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 as-yet-unapproved Sinopharm vaccine and increased to a total of 20 million doses its contracts for the Coronavac dose made by China’s Sinovac.The total of 32 million doses, plus at least 4 million doses of the CanSino shot, would dwarf the…Read More