Author: Romagosa, Anna; Allerson, Matt; Gramer, Marie; Joo, Han Soo; Deen, John; Detmer, Susan; Torremorell, Montserrat
Title: Vaccination of influenza a virus decreases transmission rates in pigs Document date: 2011_12_20
ID: 0q8fedqf_65
Snippet: The reproduction ratio R, which is the expected average number of secondary infections caused by a typical infectious individual during its entire infectious period [24] , is a measure to quantify the transmission and spread of viruses in populations. When infection occurs in an entirely susceptible population, the reproduction ratio is named "basic" reproduction ratio or R 0 [24] . When R is greater than 1, an infection can spread in a populatio.....
Document: The reproduction ratio R, which is the expected average number of secondary infections caused by a typical infectious individual during its entire infectious period [24] , is a measure to quantify the transmission and spread of viruses in populations. When infection occurs in an entirely susceptible population, the reproduction ratio is named "basic" reproduction ratio or R 0 [24] . When R is greater than 1, an infection can spread in a population but if R is less than 1, the infection will die out within a population. R estimates can be used to assess the effect of vaccination or other control strategies in populations.
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