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Basic reproductive numbers during COVID-19, either through standard approaches or through time-varying approaches, are key for understanding the pandemic growth. However, improper usage and interpretations and computational difficulties during lockdowns could be misleading for planning and mitigation.

Original publication




Journal article


Infect Control Hosp Epidemiol

Publication Date



1 - 7


SARS-Cov2, basic reproductive rates, lockdowns, model-based computations, secondary infections, study designs