Knowledge of laboratory diagnosis

Frequency (n = 131)

Percentage (100%)

According to CDC, the following specimens can be used in the laboratory detection of SARS-CoV-2

Blood

Oropharyngeal/Throat Swab

Feaces

Vaginal/Urethral Swab

Nasopharyngeal/Nasal Swabs

CSF



62

108

10

8

92

11



47.3

82.4

7.6

6.1

70.2

8.4

CDC criteria for specimen rejection for COVID-19 testing

Specimens not kept at 2-4 degree Celsius

Incomplete specimen labeling or documentation

Undiluted specimen

Inappropriate specimen type

63

105

19

99

48.1

80.2

14.5

75.6

Single

Double

Triple

Galvanized

Aerated

21

32

36

30

12

16.0

24.4

27.5

22.9

9.2

One of the hallmarks of COVID-19

Lymphocytosis

Lymphopenia

Increased LDH

Increased Albumin

Prolong PT

81

49

27

26

18

61.8

37.4

20.6

19.8

13.7

Arrange the following Coronavirus detection steps in the right order: Fluorescent signal detection, 2. Reverse transcription of RNA to cDNA, 3. RNA isolation 4. cDNA amplification with real-time PCR, 5. RNA purification

1 5 3 4 2

2 3 4 5 1

5 4 2 1 3

3 5 2 4 1

4 1 5 4 3 2



24

14

24

59

0



18.3

10.7

18.3

45.0

7.6

Strongly agree

n (%)

Agree

n (%)

Slightly agree

n (%)

Slightly disagree

n (%)

Disagree

n (%)

Strongly disagree

n (%)

The collected specimen must be put into a viral transport medium

78

(59.5)

48

(36.6)

2

(1.5)

1

(0.8)

2

(1.5)

0

(0.0)

Diffuse alveolar damage characterized by presence of cellular fibromyxoid exudates, desquamation of pneumocytes and hyaline membrane formation is diagnostic pulmonary histology in COVID-19

38

(29.0)

61

(46.6)

20

(15.2)

8

(6.1)

4

(3.1)

0

(0.0)

Total

131

100