An Ultra-Orthodox Jewish man receives a dose of the Pfizer-BioNtech vaccine in the Israeli city of Bnei Brak in February. (Mostafa Alkharouf/Anadolu Agency via Getty Images)
Editor's note: The fight against disinformation has become a facet of nearly every story NPR international correspondents cover, from vaccine hesitancy to authoritarian governments spreading lies. This and other stories by NPR correspondents around the globe try to tease out how effective certain tactics have been at combating disinformation, and what lessons can be learned from other countries' experiences.
BNEI BRAK, Israel — The battle of attrition was fought with big black Hebrew letters on large white posters in Israel's most devout Jewish neighborhoods.