Pfizer and AstraZeneca have been struggling to keep up with global demand for COVID-19 vaccines, creating shortages and delays in vaccine programs in developing nations.
As CGTN’s Franc Contreras reports, Mexico is one such case.
Pfizer and AstraZeneca have been struggling to keep up with global demand for COVID-19 vaccines, creating shortages and delays in vaccine programs in developing nations.
As CGTN’s Franc Contreras reports, Mexico is one such case.