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Table 3 Timeline (in days) of swab collection and epidemiologic information of five false negative discordant specimens

From: False negative rate of COVID-19 PCR testing: a discordant testing analysis

Patient

− 5

− 4

− 3

− 2

− 1

0

1

2

3

4

5

6

7

8

9

10

11

Exposed to confirmed case?

Healthcare worker?

Community- or healthcare-acquired?

1

     

DSO

S1

  

S2

       

Yes

Yes

Community-acquired

2

     

DSO

 

S1

   

S2

     

No

Yes

Community-acquired

3

     

DSO

        

S1

 

S2

Yes

No

Community-acquired

4

     

DSO, S1

     

S2

     

Unknown

No

Community-acquired

5

S1

    

DSO

     

S2

     

Yes

Yes

Community-acquired

  1. Negative numbers indicate days before DSO; day 0 indicates DSO; positive numbers indicate days post-DSO
  2. DSO date of symptom onset, S1 swab 1, S2 swab 2
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Virology Journal

ISSN: 1743-422X