Author: Alex Arenas; Wesley Cota; Jesus Gomez-Gardenes; Sergio Gomez; Clara Granell; Joan T. Matamalas; David Soriano-Panos; Benjamin Steinegger
Title: Derivation of the effective reproduction number R for COVID-19 in relation to mobility restrictions and confinement Document date: 2020_4_8
ID: nyjjaasw_107
Snippet: Parameters β A and β I correspond to the infection probabilities for contacts of a susceptible individual with asymptomatic and symptomatic infected individuals, respectively. The exponents represent the number of contacts made by an agent of age group g in patch i with infectious individuals -compartments A and I, respectively -of age group h residing at patch j. Accordingly, the double product expresses the probability for an individual belon.....
Document: Parameters β A and β I correspond to the infection probabilities for contacts of a susceptible individual with asymptomatic and symptomatic infected individuals, respectively. The exponents represent the number of contacts made by an agent of age group g in patch i with infectious individuals -compartments A and I, respectively -of age group h residing at patch j. Accordingly, the double product expresses the probability for an individual belonging to age group g not being infected while staying in patch i. Finally, parameter ν is introduced to account for the self-isolation of symptomatic infected individuals, either because of awareness or health state, which effectively reduces their appearance in the patches. The term z g k g f (ñ i /s i ) in Eq. (S10) represents the overall number of contacts (infectious or non infectious), which increases with the density of patch i following function f , where s i is the area of patch i measured in km 2 , and also accounts for the normalization factor z g , which is calculated as:
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