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Table 1 The annual numbers and incidence rate of mild hand, foot and mouth disease cases aged < 7 years reported in Nanjing, China, 2010–2019

From: Epidemiological and etiological characteristics of mild hand, foot and mouth disease in children under 7 years old, Nanjing, China, 2010–2019

Year

Number of mild HFMD casesa

Mild HFMD cases aged < 7 years

Number of cases

Incidence (per 100,000 populations)b

Percentage (%)c

2010

12,537

12,046

2510

96.1

2011

15,369

14,829

3657

96.5

2012

16,775

16,085

4237

95.9

2013

16,395

15,762

4293

96.1

2014

24,617

23,338

6278

94.8

2015

16,663

15,785

4235

94.7

2016

24,757

23,282

6236

94.0

2017

13,911

12,989

3554

93.4

2018

29,701

27,499

7220

92.6

2019

14,992

13,724

2961

91.5

Total

185,717

175,339

4428

94.4

  1. HFMD Hand, foot and mouth disease
  2. aNumber of reported mild HFMD cases
  3. bThe denominator of incidence rate of reported mild HFMD cases aged < 7 years was the number of populations aged < 7 years in Nanjing
  4. cPercentage showed the proportion of mild cases aged < 7 years in the reported mild cases across all age groups each year