Volume 28, Number 8—August 2022
Research
Transmissibility of SARS-CoV-2 B.1.1.214 and Alpha Variants during 4 COVID-19 Waves, Kyoto, Japan, January 2020–June 2021
Table 3
Characteristics of 206 households whose members were infected with SARS-CoV-2 B.1.1.214 or Alpha variants, Kyoto, Japan, November 2020–May 2021*
Variables | Alpha | Non-VOC | p value |
---|---|---|---|
No. households |
106 |
100 |
|
Median household size | 3 | 4 | |
IQR | 3–4 | 3–4 | 0.19 |
Range |
2–10 |
2–9 |
|
No. index cases | 106 | 100 | |
Median age, y | 38 | 47.5 | |
IQR | 23–56 | 27.75–58 | 0.12 |
Range | 5–93 | 7–91 | |
Sex, no. (%) | |||
M | 73 (68.9) | 70 (70.0) | 0.95 |
F |
33 (31.1) |
30 (30.0) |
|
No. household contacts | 282 | 282 | |
Median age, y | 35.5 | 35.5 | |
IQR | 13–53 | 16–52 | 0.96 |
Range | 0–90 | 1–95 | |
Sex, no. (%) | |||
M | 129 (45.7) | 130 (46.1) | 0.90 |
F | 153 (54.3) | 152 (53.9) |
*Alpha variant B.1.1.7 or non-VOC B.1.1.214. IQR, interquartile range; VOC, variant of concern.
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Page updated: July 21, 2022
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