@misc{indiciae5cbb6d604f46,
  title = {Community immunity: how, when and how much?},
  author = {H S Lipschultz and W Duel and S Diamd},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/4385641/},
  note = {Source identifier: 4385641}
}