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Table 2 Interval days from date of arrival to date of symptom onset of malaria reported in Shanghai, 2020–2021

From: An epidemiological analysis of imported malaria in Shanghai during a COVID-19 outbreak

Interval (days)
(n = 112)
P. falciparum % P. vivax % P. ovale % P. malariae % Total %
< 0 8 8.25 0 0.00 0 0.00 0 0.00 8 7.14
0–14a 87 89.69 3 75.00 5 62.50 2 66.67 97 86.61
15–21b 2 2.06 0 0.00 0 0.00 1 33.33 3 2.68
91–180 0 0.00 0 0.00 2 25.00 0 0.00 2 1.79
181–360 0 0.00 1 25.00 1 12.50 0 0.00 2 1.79
  1. aThe centralized isolation period of COVID-19 prevention and control
  2. bThe health monitoring period of COVID-19 prevention and control