El poder detrás de la compra de vacunas contra la COVID-19.

Abstract

The search for an efficient solution to prevent the spread of the infectious disease COVID-19 resulted in the creation of vaccines against the virus in record time. However, the international vaccines distribution was inequitable and much of the doses were concentrated in a few countries. Thus, differences in access to immunization represent an obstacle to preventing the spread and mutation of the virus. Based on the above, the objective of this research is to determine the factors that influence the purchasing power for COVID-19 vaccines worldwide. For this purpose, information from 109 countries is collected from different sources, corresponding to economic, social, political and epidemiological variables. With these data, a Generalized Linear Model (GLM) is estimated. The results reveal that countries with the best economic and social indicators, with democratic regimes and which had measures to control the reproductive rate of the virus have more access to COVID-19 vaccines.