The director of the Mexican Institute of Social Security, Zoé Robledo, said at a press conference that the application of the second dose of the Pfizer / BioNtech vaccine against covid-19 will be scheduled according to availability.
Robledo says that the measure is carried out as recommended by the Scientific Technical Group for the Application of Vaccines in Mexico and the WHO, which endorse the application of the second dose from 21 to 42 days.