World Swedish official Anders Tegnell says ‘herd immunity’ in Sweden might be a few weeks away April 28, 2020April 28, 2020Kim Hjelmgaard, USA TODAYComments Off on Swedish official Anders Tegnell says ‘herd immunity’ in Sweden might be a few weeks away Sweden is accused of dangerously pursuingĀ a 'herd immunity' coronavirus strategy. Its top COVID-19 official Anders Tegnell said it was 'sustainable.'