Is a tiered restrictions system an effective intervention for COVID-19 control? Results from Portugal, November-December 2020
Marta Moniz,
Patrícia Soares,
Baltazar Nunes
et al.
Abstract:Background
In November 2020, similar to other European countries, Portugal implemented a tiered restrictions system to control the COVID-19 pandemic. We aimed to compare the COVID-19 growth rate across tiers to assess the effect of a tiered restrictions system in Portugal, using models with different times between tiers assessment. Our hypothesis was that being in a higher tier brings a faster deceleration in the growth rate than being in a lower tier.
Methods
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