Twice now, in two separate households, I’ve had a Sim become sick. I’ve had them consume the soup. A message will pop up saying that they’re cured, only for another notification to immediately pop up saying they’re ill again.
Sims 3 Families: Sanchezes/O'Connors, Fairy Friends, Jenningses
Sims 4 Families: Fosters/Matsumotos/van Beerses, Harper-Joneses/Bridges, Mastersons