Researchers: Immunizations, Quarantines would Stem Flu Pandemic with immunizations, quarantines. Models simulate where each person is likely to go each day and how many people he or she will come in contact with. Models are based in part on models developed in England in the 1990s to deal with an outbreak of foot-and-mouth disease among livestock. The data revealed that an outbreak could take off quickly and would be difficult to contain unless health care professionals and public health officials took action immediately.”]