Volume 29, Number 10—October 2023
Research
Emergence of SARS-CoV-2 Delta Variant and Effect of Nonpharmaceutical Interventions, British Columbia, Canada
Table 2
Information on country of origin for 153 SARS-CoV-2 Delta variant of concern cases reported in British Columbia, Canada, with known history of international travel in periods before and after travel ban and overall, March 1–June 30, 2021
Country of origin | No. (%) Delta cases with international travel history |
||
---|---|---|---|
Pre–travel ban period* | Post–travel ban󠆣 period† | Overall | |
India | 64 (50.8) | 2 (7.4) | 66 (43.1) |
Other country | 11 (8.7) | 15 (55.6) | 26 (17.0) |
Missing information | 51 (40.5) | 10 (37.0) | 61 (39.9) |
Total for all Delta cases | 126 (45.2) | 27 (3.0) | 153 (13.0) |
*The Canadian travel ban on direct flights from India and Pakistan was implemented on the evening of April 22, 2021. Persons arriving in Canada before April 23, 2021, completed quantitative PCR testing 10 d after arrival. Therefore, pre–travel ban cases include Delta variant cases with specimen collection during March 21–May 2, 2021. †Delta variant cases with specimen collection during May 3–June 30, 2021.
Page created: August 07, 2023
Page updated: September 20, 2023
Page reviewed: September 20, 2023
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