@misc{covid-19-pandemic,
  title   = {Covid-19 pandemic},
  author  = {Häne, Barbara and Lengwiler, Martin and Blatter, Bettina},
  year    = {2025},
  month   = {jun},
  url     = {https://www.historyofsocialsecurity.ch/timeline/vadis-the-disputed-expansion-of-the-welfare-state/covid-19-pandemic}
}