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Table 1 Comparison of projected and reported mumps cases in 2020

From: Estimating the impact of non-pharmaceutical interventions against COVID-19 on mumps incidence in Sichuan, China

Month

Projected cases

Reported cases

Percent change (%) (95%CI)a

January

1456

927

− 36.3 (− 33.9 to − 38.8)

February

763

501

− 34.3 (− 31.1 to − 37.8)

March

1088

338

− 68.9 (− 66.1 to − 71.6)

April

1755

422

− 76.0 (− 73.9 to − 77.9)

May

2106

695

− 67.0 (− 65.0 to − 69.0)

June

2332

942

− 59.6 (− 57.6 to − 61.6)

July

1839

716

− 61.1 (− 58.8 to − 63.3)

August

1166

592

− 49.2 (− 46.4 to − 52.1)

September

1264

956

− 24.4 (− 22.1 to − 26.8)

October

1253

877

− 30.0 (− 27.5 to − 32.6)

November

1479

856

− 42.1 (− 39.6 to − 44.7)

December

1705

622

− 63.5 (− 61.2 to − 65.8)

Total

18,206

8444

− 53.6 (− 52.9 to − 54.3)

  1. CI: confidence interval
  2. a95%CI calculated using the Wilson method