Power law approximations of movement network data for modeling  infectious disease spread.
Globalization and increased mobility of individuals enable person-to-person transmitted infectious diseases to spread faster to distant places around the world, making good models for the spread increasingly important. We study the spatiotemporal pattern of spread in the remotely located and sparsely populated region of North Norway in various models with fixed, seasonal, and random effects. The models are applied to influenza A counts using data from positive microbiology laboratory tests as proxy for the underlying disease incidence. Human travel patterns with local air, road, and sea traffic data are incorporated as well as power law approximations thereof, both with quasi-Poisson regression and based on the adjacency structure of the relevant municipalities. We investigate model extensions using information about the proportion of positive laboratory tests, data on immigration from outside North Norway and by connecting population to the movement network. Furthermore, we perform two separate analyses for nonadults and adults as children are an important driver for influenza A. Comparisons of one-step-ahead predictions generally yield better or comparable results using power law approximations.
Marc
M
Geilhufe
Leonhard
L
Held
Stein Olav
SO
Skrøvseth
Gunnar S
GS
Simonsen
Fred
F
Godtliebsen
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D064870:Air Travel; D001699:Biometry / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology / Q000635:transmission*; D004641:Emigration and Immigration; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D053118:Influenza A Virus, H1N1 Subtype / Q000502:physiology; D053122:Influenza A Virus, H3N2 Subtype / Q000502:physiology; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission; D008875:Middle Aged; D015233:Models, Statistical; D009664:Norway / Q000453:epidemiology; D014186:Transportation; D055815:Young Adult