Jasmine Chiat Ling Ong, Benjamin Jun Jie Seng, Jeren Zheng Feng Law, Lian Leng Low, Andrea Lay Hoon Kwa, Kathleen M Giacomini, Daniel Shu Wei Ting
Artificial intelligence, ChatGPT, and other large language models for social determinants of health: Current state and future directions
Cell reports. Medicine
consider markovian sir epidemic model homogeneous community model add rate individuals tested infectious individual tests positive isolated contacts traced tested independently fixed probability traced individual tests positive isolated contact tracing iterated model analysed using large population approximations early stage epidemic tobetraced components epidemic behaves like branching process main stage epidemic process tobetraced components converges deterministic process defined system differential equations approximations used quantify effect testing contact tracing effective reproduction numbers components well individuals probability major outbreak final fraction getting infected using numerical illustrations rates infection natural recovery fixed shown testandtrace strategy effective reducing reproduction number surprisingly reproduction number branching process components monotonically decreasing tracing probability individual reproduction number conjectured monotonic expected situation individuals also selfreport testing tracing probability influential screening rate measured fraction infected screened