The first batch of two million vaccines from China’s CanSino Biologics Inc , produced in Mexico, will be ready in the second half of March, the company has said.

Mexico in early February received its first shipment of the active ingredient for the shot, which is being packaged in Queretaro state by Mexican firm Drugmex, CanSino said in a statement.

The company added that it expects to produce 6.9m doses between March and June, and then make 1.2m shots available per week to fulfill its agreement for 35 million doses this year.