What do systematic reviews say?

Adverse events: grade 1 to 2 · SARS‐CoV‐2 uninfected people without defined exposure, or with potential exposure to SARS‐CoV‐2

Adverse events: grade 1 to 2 · SARS‐CoV‐2 uninfected people without defined exposure, or with potential exposure to SARS‐CoV‐2

Grades 3 and 4 adverse events · SARS‐CoV‐2 uninfected people without defined exposure, or with potential exposure to SARS‐CoV‐2

Adverse events: grade 1 to 2 · SARS‐CoV‐2 uninfected people without defined exposure, or with potential exposure to SARS‐CoV‐2

Grades 3 and 4 adverse events · non‐hospitalised individuals with COVID‐19 (asymptomatic and mild disease)

Adverse events: all grades · non‐hospitalised individuals with COVID‐19 (asymptomatic and mild disease)

Grades 3 and 4 adverse events ‐ not reported · people with chronic lymphocytic leukaemia

Grades 3 and 4 adverse events · hospitalised individuals with COVID‐19 (moderate to severe disease)

Grades 3 and 4 adverse events ‐ not reported · individuals with moderate to severe disease

Grades 3 and 4 adverse events ‐ not reported · outpatients withmild disease

Grades 3 and 4 adverse events · SARS‐CoV‐2 uninfected people without defined exposure, or with potential exposure to SARS‐CoV‐2