Author: Chen Wei; Zhengyang Wang; Zhichao Liang; Quanying Liu
Title: The focus and timing of COVID-19 pandemic control measures under healthcare resource constraints Document date: 2020_4_19
ID: 5psqro9d_30
Snippet: Giving up transmission control to achieve herd immunity might be adopted by some communities. Such a proposal could turn out even more ineffectual in the wake of the outbreak depending on SARS-CoV-2 immunity duration. Herd immunity achieves reproduction number reduction by removing individuals from the susceptible pool. Based on an estimated basic reproduction number of 3.48 by our model, 71% of the population would need to build and sustain immu.....
Document: Giving up transmission control to achieve herd immunity might be adopted by some communities. Such a proposal could turn out even more ineffectual in the wake of the outbreak depending on SARS-CoV-2 immunity duration. Herd immunity achieves reproduction number reduction by removing individuals from the susceptible pool. Based on an estimated basic reproduction number of 3.48 by our model, 71% of the population would need to build and sustain immunity for SARS-CoV-2; otherwise, the reintroduction of the pathogen would cause the disease to circulate again. Another issue for herd immunity strategy is the duration of immunity. Although conclusions varied, evidence from SARS suggested a significant antibody reduction 2 years after infection [18] [19] [20] . In this case, longitudinal studies on this topic for COVID-19 would be crucial for designing vaccination strategies.
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