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Table 2 Illustration of data usage with reported, predicted, and underreported counts

From: Reconstructing and forecasting the COVID-19 epidemic in the United States using a 5-parameter logistic growth model

Data Usage

Days

Date

Reported Cases

Predicted

Under-reported

Total

Daily

Daily

Total

Reconstruction

54

3/15/2020

3487

1253

3108

19,781

16,294

55

3/16/2020

4226

739

3623

23,141

18,915

56

3/17/2020

7038

2812

4218

27,054

20,016

57

3/18/2020

10,442

3404

4902

31,606

21,164

58

3/19/2020

15,219

4777

5687

36,892

21,673

59

3/20/2020

18,747

3528

6584

43,019

24,272

Fitting

60

3/21/2020

24,583

5836

7603

50,102

25,519

61

3/22/2020

33,404

8821

8755

58,269

24,865

62

3/23/2020

44,183

10,779

10,047

67,658

23,475

63

3/24/2020

54,453

10,270

11,485

78,411

23,958

64

3/25/2020

68,440

13,987

13,070

90,676

22,236

65

3/26/2020

85,356

16,916

14,797

104,598

19,242

66

3/27/2020

103,321

17,965

16,656

120,315

16,994

67

3/28/2020

122,653

19,332

18,624

137,947

15,294

68

3/29/2020

140,904

18,251

20,670

157,589

16,685

69

3/30/2020

163,539

22,635

22,750

179,298

15,759

70

3/31/2020

186,101

22,562

24,810

203,082

16,981

71

4/1/2020

213,144

27,043

26,784

228,889

15,745

72

4/2/2020

239,279

26,135

28,600

256,597

17,318

73

4/3/2020

277,205

37,926

30,180

286,010

8805

74

4/4/2020

304,826

27,621

31,453

316,855

12,029

Forecast

75

4/5/2020

330,891

26,065

32,352

348,791

17,900

76

4/6/2020

374,329

43,438

32,830

381,419

7090

77

4/7/2020

395,011

20,682

32,860

414,302

19,291

78

4/8/2020

427,460

32,449

32,436

446,987

19,527

79

4/9/2020

459,165

31,705

31,582

479,030

19,865

80

4/10/2020

492,416

33,251

30,340

510,021

17,605