False news often spreads via public groups, or chats, with potentially fatal effects. Anastasia Vlasova/Getty Images Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world.
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