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Table 2 Summary of clinical features and microbiological results from clinical specimens collected from the two clusters infected with SARS-CoV-2 at presentation

From: Molecular epidemiology of SARS-CoV-2 clusters caused by asymptomatic cases in Anhui Province, China

Cluster 1

 

Case A1

Patient B

Patient C

Patient D

Patient E

Patient F

Patient G

Patient H

Case A2

Patient I

Patient J

Patient K

Patient L

Patient M

Case A3

Relationship

Friend of patient C

Wife of patient C

Husband of patient C

Sun of patients B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Relative of patient B and C

Occupation

Merchant

Worker

Driver

Student

Farmer

Student

Worker

Worker

Student

Farmer

Farmer

Farmer

Worker

Farmer

Farmer

Days since onset

/

5

3

7

7

10

9

5

/

6

12

12

5

12

/

Presenting symptoms and signs

··

··

··

··

··

··

··

··

··

··

··

··

··

··

··

Fever (Body temperature)

–

+

+(37.3 °C)

+(39 °C)

+(37.5 °C)

–

+

+

–

–

–

–

+

+

–

Cough

–

+(productive)

–

+

+(dry)

–

–

–

–

–

+(dry)

+(dry)

+(productive)

–

–

Generalised weakness

–

–

–

–

+

–

–

–

–

–

–

–

+

–

–

Sneezing

–

–

–

–

–

–

–

–

–

+

–

–

–

–

–

Sore throat

–

–

–

–

–

+

–

–

–

–

–

–

–

–

–

Diarrhoea

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Muscle soreness

–

+

–

+

–

–

–

–

–

–

–

–

–

–

–

Vomitting

–

–

–

–

–

–

–

–

–

–

–

–

+

–

–

backpain

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Pneumonia

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Sample information

··

··

··

··

··

··

··

··

··

··

··

··

··

··

··

Sample type

Throat swab

sputum

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

sputum

Throat swab

Throat swab

Strains

HN022

HN012(MT415367)

HN021

HN011(MT415366)

HN017(MT415369)

HN025

HN026

HN020(MT415370)

HN018

HN019

HN015(MT415368)

HN023(MT415371)

HN016

HN027

HN024(MT415372)

Real-time RT-PCR (N gene) Ct value

36.22

28.88

35.2

26.86

27.55

33.68

32.5

25.5

30.76

32.7

27.66

28.69

36.76

33.25

26.2

Spike Genome sequence obtained

Partial

Complete

ND

Complete

Complete

ND

ND

Complete

ND

ND

Complete

Complete

ND

ND

Complete

Percent similarity to Wuhan-HB01(S gene)

/

99.9

/

99.9

100

/

/

99.9

/

/

100

99.9

/

/

100

Cluster 2

 

Patient B*

Patient C*

Patient D*

Patient E*

Patient F*

Patient G*

Case A1*

Case A2*

Case A3*

Case A4*

Case A5*

Case A6*

Case A7*

Case A8*

Case A9*

Relationship

Husband of case A1*

Friend of case A1*

Neighbor of patient C*

Daughter-in-law of patient C*

Live in the same village with patient C*

Friend of patient D*

Wife of Patient B*

Neighbor of patient C*

Neighbor of patient C*

Mother of patient C*

Husband of patient F*

Neighbor of patient C*

Sun of patient F* and case A5*

Mother of case A5*

Wife of Patient G*

Occupation

Merchant

Farmer

Farmer

Merchant

Merchant

Farmer

Merchant

Merchant

Merchant

Farmer

Merchant

Farmer

/

Farmer

Farmer

Days since onset

0

7

2

12

2

4

/

/

/

/

/

/

/

/

/

Presenting symptoms and signs

··

··

··

··

··

··

··

··

··

··

··

··

··

··

··

Fever (Body temperature)

+(38 °C)

+

–

+(37.9 °C)

–

+(38 °C)

–

–

–

–

–

–

–

–

–

Cough

–

+(productive)

+(dry)

–

–

+(productive)

–

–

–

–

–

–

–

–

–

Generalised weakness

+

–

–

–

+

–

–

–

–

–

–

–

–

–

–

Sneezing

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Sore throat

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Diarrhoea

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Muscle soreness

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

backpain

–

+

–

–

–

–

–

–

–

–

–

–

–

–

–

Pneumonia

+

+

+

+

+

+

–

–

–

–

–

+

–

–

+

Sample information

··

··

··

··

··

··

··

··

··

··

··

··

··

··

··

Sample type

Throat swab

sputum

Throat swab

Throat swab

Throat swab

sputum

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Throat swab

Strains

MAS005(MT415373)

MAS326(MT415374)

MAS425

MAS469

MAS328

MAS581

MAS633

MAS390

MAS368(MT415375)

MAS596

MAS332

MAS656

MAS661

MAS525(MT415376)

MAS635(MT415377)

Real-time RT-PCR (N gene) Ct value

29.15

28.21

25.37

34.65

34.31

24.57

–

33.45

26.63

34.65

20.31

31.22

33.57

22.96

26.29

Spike Genome sequence obtained

Complete

Complete

ND

ND

ND

ND

ND

ND

Complete

ND

ND

ND

ND

Complete

Complete

Percent similarity to Wuhan-HB01 (S gene)

99.9

99.9

/

/

/

/

/

/

100

/

/

/

/

100

99.9

  1. + = positive, – = negative, ND not detected. Case A1-A3 = Asymptomatic case A1-A3, Case A1*-A9* = Asymptomatic case A1*-A9*