We read the editorial of Gilbert and Desateux.¹ In their analysis, they take into account some newborn screening programmes for congenital toxoplasmosis in developing countries such as Brazil and Mexico, with reported rates of up to a maximum of 20 cases/10 000 live births; however, they did not mention our recent report that found a prevalence of 0.5% in a reference hospital in Colombia.² This study found one child who died 1 week after birth. As we had information only on the frequency of deaths in a reference hospital, we carried out a study in a representative sample of all newborns from Quindio and found nearly the same prevalence: 0.6% (see letter in Archives of Disease in Children in response to the paper …