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Table 1 Table of notation

From: Effectiveness of the BNT162b2 (Pfizer-BioNTech) and the ChAdOx1 nCoV-19 (Oxford-AstraZeneca) vaccines for reducing susceptibility to infection with the Delta variant (B.1.617.2) of SARS-CoV-2

Notation

Definition

\(\beta\)

Transmission rate

\(\gamma\)

Rate of recovery (days\(^{-1}\))

\(e_{ij}\)

Percentage effectiveness against infection of i doses of vaccine j

\(V_{ij}\)

Daily number of individuals who have received dose i of vaccine j

N

Number of individuals in the population

\(\mu _i\)

Factor reducing infectiveness due to i doses