$ ./outbreak test_data/outbreak20 abagail
infection time from abagail to:
  --> abagail: 0
  --> ariona: 4
  --> bettyjane: 5
  --> chaye: 3
  --> correen: 5
  --> dakayden: 7
  --> hodosh: 5
  --> jhaniyah: 5
  --> krispin: 7
  --> kyris: 4
  --> marzana: 3
  --> nantambu: 5
  --> pyles: 4
  --> quirijn: 4
  --> rhyson: 5
  --> roandy: 7
  --> rumell: 6
  --> sretan: 6
  --> turmaine: 5
  --> yandier: 7
$ ./outbreak test_data/outbreak20 yandier
infection time from yandier to:
  --> abagail: 9
  --> ariona: 6
  --> bettyjane: 9
  --> chaye: 7
  --> correen: 7
  --> dakayden: 7
  --> hodosh: 7
  --> jhaniyah: 8
  --> krispin: 8
  --> kyris: 5
  --> marzana: 7
  --> nantambu: 9
  --> pyles: 6
  --> quirijn: 7
  --> rhyson: 9
  --> roandy: 6
  --> rumell: 7
  --> sretan: 7
  --> turmaine: 8
  --> yandier: 0