GRAPHIC ⟩ Estonia lacks herd immunity against measles and whooping cough
According to WHO recommendations, 95% of the population needs to be vaccinated to achieve herd immunity, but Estonia has only vaccinated 83.3% of its population against diphtheria, tetanus, whooping cough, and measles.
How the generosity of Le Figaro's readers saved children from diphtheria
In 1894, Gaston Calmette highlighted the effectiveness of a diphtheria serum developed at the Pasteur Institute and initiated a fundraising campaign for its large-scale production, which exceeded all expectations.