Volume 28, Number 1—January 2022
Dispatch
Coronavirus Disease Spread during Summer Vacation, Israel, 2020
Table 2
Comparison of slopes for adjusted incidence rates of SARS-CoV-2 infections during summer vacation weeks with those during full school attendance period, Israel, 2020*
| Age, y | Adjusted incidence, %† |
Slope rate ratio (95% CI) | Arithmetic difference (95% CI) | |
|---|---|---|---|---|
| Summer vacation ± SEM | School attendance ± SEM | |||
| 0–9 | 17.6 ± 2.1 | 2.6 ± 0.47 | 6.8 (4.3 to 11.7) | 15 (8.7 to 21.3) |
| 10–19 | 8 ± 8.8 | 3.2 ± 1.9 | 2.5 (–3.1 to 8.1) | 4.8 (–14.2 to 20.8) |
| 20–39 | 1.2 ± 2.9 | 5.3 ± 0.6 | 0.23 (–0.99 to 1.5) | –4.1 (–12.8 to 4.7) |
| 40–59 | 2 ± 2.6 | 5.1 ± 0.34 | 0.4 (0.7 to 1.5) | –3.1 (–10.9 to 4.7) |
| >60 | 4 ± 2.1 | 3.2 ± 0.55 | 1.25 (–0.2 to 3.5) | 0.8 (–5.5 to 7.1) |
*Summer vacation was July 1–August 31, 2020. Full school attendance period was May 17–June 19, 2020. SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SEM, standard error of the mean. †Incidence rates adjusted by numbers of SARS-CoV-2 tests;
1These authors contributed equally to this article.
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