“…The decrease in the number of COVID-19 cases and deaths can be attributed to vaccination, income and education, as Cengiz et al [ 47 ] revealed; specifically, they inventoried the situation of COVID-19 vaccination in the cities of Turkey and established that, both in the case of women and men who have a secondary education or who have interrupted their studies at a certain moment, there is a reluctance to vaccinate, while among those who followed university studies, there is a positive correlation with this, the per capita income leading to the registration of the same trend [ 47 ]. As a whole, analyzing case fatality rates for COVID-19, Nuhu et al [ 48 ] reported the highest average in South America and the lowest in Oceania; the Africa sub-region has the smallest scores in terms of vaccination, Human Development Index (HDI) and preparedness for countering the pandemic.…”