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Table 1 Changes in the average annual incidence of five vector-borne diseases in 2020 compared to the previous 5 years 2015–2019) in China

From: The impact of COVID-19 continuous containment and mitigation strategy on the epidemic of vector-borne diseases in China

Diseases Average yearly incidence Average yearly cases (n) Percentage changea (95% CI) P-valueb
2020 2015–2019 2020 2015–2019
Overall 0.2638 0.9753 3684 13,456 − 72.95 (− 74.85 to − 71.05)  < 0.001
EEB 0.0223 0.0844 312 1165 − 73.53 (− 79.99 to − 67.09)  < 0.001
Typhusc 0.0859 0.0850 1199 1173 1.01 (− 7.10 to 9.08) 0.81
Dengue 0.0574 0.5704 802 7870 − 89.93 (− 92.25 to − 87.62)  < 0.001
Malariac 0.0816 0.2147 1140 2962 − 61.98 (− 66.20 to − 57.75)  < 0.001
Leishmaniasisc 0.0165 0.0208 231 287 − 20.48 (− 35.94 to − 5.02) 0.01
  1. CI, Confidence interval; EEB epidemic encephalitis B
  2. aChanges = (x1 − ×2)/x2 × 100%, where x1 is the average yearly incidence in 2020, and x2 is the average yearly incidence in the previous 5 years (2015–2019)
  3. bThe P-value was computed using two proportional tests
  4. cThe monthly incidence has a long-term significant downward trend