The only thing anyone was trying to find out is what percentage of Zambian children are vaccinated, and this is the data, collected on paper over weeks, from a single district, which is something like a county in the United States.
Lo único que tratábamos de averiguar era el porcentaje de niños zambianos vacunados. Estos son los datos recolectados en papel durante semanas de un solo distrito, que es como un municipio o un ayuntamiento.