SciDev.Net Jul 22 2025 More than 14 million children missed out on lifesaving vaccines against diphtheria, tetanus and whooping cough last year, putting global goals off track, new UN data shows. Despite an overall record number of child vaccinations in low- and middle-income countries, these countries accounted for more than two-thirds of the so-called "zero-dose" children, according to analysis. In 2024, about 115 million children — 89 per cent of infants globally — received at least one dose