THE SIS MODEL FOR ASSESSMENT OF EPIDEMIC CONTROL IN A SOCIAL NETWORK

摘要: National Institute of Hygiene, Center for Disease Prevention & ControlChocimska 24, 00-791 Warsaw, Poland(Received February 21, 2006)The phenomenon epidemic spreading in a population with hierar-chical structure interpersonal interactions is described and investigatednumerically. The SIS model incubation time temporal immunityto disease, used. In our location social structure, effectivenessof different types mobility contemporary commu-nities are taken into account. influence control measures on thespreading process investigated as function initial conditions. Thecost-effectiveness mass immunizations campaigns, target vaccinationsand the sick leaves compared. A critical vaccinations coverage, sufficientfor suppressing an well probability that endemic stateoccurs, calculated. results numerical calculations similar tothe solutions master equation process.PACS numbers: 05.40.–a, 87.10.+e, 89.75.–k