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Table 1 Clinical, biological, and epidemiological features of the 27 SARS-CoV-2 confirmed cases, Creil, February–March 2020

From: Lessons learned from the investigation of a COVID-19 cluster in Creil, France: effectiveness of targeting symptomatic cases and conducting contact tracing around them

Clinic

Biology

Epidemiology

RT-PCR

Serology

Case

Age

Symptoms

Date of symptoms

Symptoms duration (day)

Results interpretation

Ct IP2

Ct IP4

ELISA EuroImmun IgG/IgA

Roche

Titer of viro neutralisation

Results interpretation

Work place

Desk room number in MSFAC

Main contact with

Serial interval (day)

Incubation (day)

1

30–39

yes

03/02/20

NA

pos

37

34

ND

ND

ND

ND

City of Crépy-en-Valois

Index case

2

20–29

yes

05/02/20

3

pos

39

32

6.07/3.7

80.15

1/40

pos

MSFAC

A

Case 1

2

4

3

50–59

yes

05/02/20

5

ND

ND

ND

1.33/1.4

0.9

1/40

pos

MSFAC

H

Case 2

0

1

4

30–39

yes

07/02/20

20

pos

36

33

10.8/9.3

27.14

1/160

pos

MSFAC

A

Case 2

2

2–4

5

50–59

yes

08/02/20

24

pos

NA

NA

10.9/9.4

15.79

1/160

pos

MSFAC

B

Case 2

3

4–5

6

20–29

yes

08/02/20

NA

pos

36

34

ND

ND

ND

ND

MSFAC

A

Case 2

3

4–5

7

50–59

yes

10/02/20

NA

pos

NA

NA

ND

ND

ND

ND

MSFAC

A

Case 2

5

6–7

8

40–49

yes

11/02/20

5

neg

NA

NA

8.04/1.6

77.94

1/80

pos

MSFAC

C

Case 7

1

1

9

30–39

yes

11/02/20

6

pos

NA

NA

9.93/5

112.7

1/80

pos

MSFAC

F

Case 6

3

4

10

50–59

yes

13/02/20

23

pos

NA

NA

> 13/6.7

80.29

1/160

pos

MSFAC

D

Case 7

3

2–3

11

20–29

yes

14/02/20

21

pos

33

32

4.21/1

50.48

1/40

pos

MSFAC

E

Case 3

9

4

12

30–39

yes

14/02/20

11

ND

ND

ND

4.71/2.9

53.18

< 1/40

pos

MSFAC

F

Case 9

3

1–4

13

40–49

yes

15/02/20

18

ND

ND

ND

1.13/0.9

4.5

1/40

pos

MSFAC

G

Case 5

7

8

14

40–49

yes

16/02/20

18

pos

NA

NA

> 13/> 9

66.86

1/160

pos

Other facility

Case 8

5

1–5

15

40–49

yes

17/02/20

9

pos

37

33

ND

ND

ND

ND

Other facility

Case 14

1

1

16

40–49

yes

18/02/20

26

ND

ND

ND

3.2/1

18.95

1/40

pos

MSFAC

H

Case 11

4

4–6

17

50–59

yes

19/02/20

NA

pos

NA

NA

ND

ND

ND

ND

MSFAC

I

Case 5

11

2

18

50–59

yes

20/02/20

13

pos

NA

NA

11.3/2.1

15.91

1/80

pos

MSFAC

I

Case 17

1

2

19

20–29

yes

21/02/20

6

pos

NA

NA

4.42/1.8

91.23

1/40

pos

MSFAC

D

Case 10

8

9–10

20

40–49

yes

21/02/20

16

pos

NA

NA

1.78/2.7

1.5

1/40

pos

MSFAC

I

Case 17

2

2

21

30–39

yes

24/02/20

12

pos

37

34

12.8/ > 10

130

1/80

pos

MSFAC

J

Case 10

11

10

22

40–49

yes

25/02/20

20

pos

22

21

7.84/3.7

96.35

1/40

pos

MSFAC

K

Case 20

4

1–5

23

40–49

yes

25/02/20

2

ND

ND

ND

5.97/3.9

38.09

1/80

pos

MSFAC

L

Case 10

12

11

24

30–39

yes

10/03/20

5

ND

ND

ND

6.39/> 10

14.51

1/40

pos

MSFAC

M

Case 21

15

13

25

20–29

no

ND

ND

ND

1.76/7

24.09

< 1/40

pos

MSFAC

I

NA

26

20–29

no

ND

ND

ND

pos

 

1/40

pos

MSFAC

N

Case 2

27

30–34

no

ND

ND

ND

3.18/2.7

66.5

NA

pos

MSFAC

O

Case 10

  1. Ct Cycle threshold (quantitative result of the RT-PCR)
  2. NA Not available, ND Not done
  3. MSFAC Military support facility of the airbase of Creil