… As New Zealand shifts to a policy of “living with the virus,” residents accustomed to living virtually Covid-free for most of the pandemic are being confronted by rising case numbers and widening vaccine mandates. Opposition to vaccination as well as frustration with ongoing pandemic restrictions is fueling a small but vocal protest movement inspired in part by American politics. In a working paper published in November, a team of researchers in New Zealand said there had been a “sharp increase in the popularity and intensity” of disinformation around Covid-19 since August. The researchers said the disinformation was “being used...