Markov chain 19 Stochastic Processes human Humans 18 Computer Simulation 15 computer simulation 15 Article 13 Computational Biology 12 Models, Biological 12 biological model 12 biology 12 stochastic model 7 Algorithms 6 algorithm 6 procedures 5 Female 4 Monte Carlo method 4 controlled study 4 epidemic 4 female 4 genetics 4 physiology 4 Animals 3 Bayes theorem 3 Communicable Diseases 3 Epidemics 3 HIV Infections 3 Human immunodeficiency virus infection 3 Monte Carlo Method 3 Probability 3