https://techcrunch.com/2020/12/16/twitter-will-force-users-to-delete-covid-19-vaccine-conspiracy-theories/ > With COVID-19 vaccinations just beginning, Twitter will ramp up its efforts to tamp down conspiracy theories that might discourage people from getting the vaccine. > The newly expanded rules apply to debunked information about the adverse effects of getting vaccinated, misleading tweets claiming the vaccine is not necessary and conspiracies that claim COVID-19 vaccines are used to “intentionally cause harm to or control populations.” Twitter’s updated policy will go into effect on December 21.