초록
Background
Viruses that cause acute respiratory infection include adenovirus (ADV), respiratory syncytial virus A and B (RSV(A), RSV(B)), influenza virus A and B (FluA, FluB), parainfluenza virus 1, 2 and 3 (PIV1, PIV2, PIV3), human metapneumovirus (hMPV), human coronavirus (hCoV), human rhinovirus (hRV), and enterovirus, among others.
Methods
Viral incidence was evaluated in acute respiratory patients in Seoul, Korea from 2010 to 2012. A total of 2,544 oropharyngeal swab specimens were tested by real-time polymerase chain reaction (PCR) methods. RNA viruses (hRV, PIV, RSV, hCoV, and hMPV) and DNA viruses (ADV and bocavirus) were detected using the one-step reverse transcriptase PCR (RT-PCR) premix kit (SolGent, Korea) from January 2010 to June 2011, and using the real-time PCR kit (Kogenebiotech, Korea) from July 2011 to December 2012.
Results
Thirty-two percent (813/2,544) of specimens were positive; 31.9% (294/923) in 2010, 31.4% (232/ 738) in 2011, and 32.5% (287/883) in 2012. The most frequently isolated virus was hRV (40.7%, 331/813), followed by ADV (23.9%, 194/813), RSV (14.1%, 115/ 813), PIV (12.3%, 100/813), and hCoV (8.7%, 71/813). PIV1 was the most commonly isolated PIV, followed by PIV3 and PIV2, respectively. hCo OC43 was the most commonly isolated hCoV, followed by hCoV NL63 and hCoV 229E, respectively.
REFERENCES
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Table 1.
Table 2.
Years | Numbers of samples | Numbers of respiratory viruses (%) |
---|---|---|
2010 | 923 | 294 (31.9) |
2011 | 738 | 232 (31.4) |
2012 | 883 | 287 (32.5) |
Total | 2,544 | 813 (32.0) |
Table 3.
Years (n=sample numbers) | Viruses | Positive numbers | Positive % | Ages | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0-2 | 3-6 | 7-13 | 14-19 | 20-49 | 50-64 | ≥65 | Unknown | ||||
2010 | Adeno | 104 | 11.3 | 33 | 51 | 10 | 1 | 7 | |||
(n=923) | Boca | 19 | 2.1 | 14 | 2 | 1 | |||||
PIV RSV | 2740 | 2.94.3 | 1419 | 612 | 13 | 2 | 32 | 1 | |||
hCo | 29 | 3.1 | 14 | 8 | 6 | 1 | |||||
hRV | 88 | 9.5 | 44 | 14 | 4 | 6 | 13 | 1 | |||
hMPV | 25 | 2.7 | 11 | 8 | 1 | 1 | 3 | ||||
Subtotal | 332 | 36.0 | 149 | 101 | 19 | 10 | 35 | 3 | 15 | ||
n=923 | 251 | 226 | 127 | 28 | 259 | 16 | 2 | 14 | |||
2011 | Adeno | 39 | 5.3 | 9 | 13 | 1 | 1 | 10 | 1 | 1 | |
(n=738) | Boca | 15 | 2.0 | 8 | 2 | 1 | 1 | 2 | |||
PIV | 22 | 3.0 | 8 | 11 | 1 | 1 | 1 | ||||
RSV | 41 | 5.6 | 23 | 14 | 1 | 2 | |||||
hCo | 20 | 2.7 | 5 | 1 | 2 | 10 | 2 | ||||
hRV | 105 | 14.2 | 46 | 29 | 11 | 17 | 3 | 1 | |||
hMPV | 7 | 0.9 | 2 | 2 | 1 | 2 | |||||
Subtotal | 249 | 33.7 | 101 | 72 | 16 | 4 | 44 | 6 | 3 | 3 | |
n=738 | 201 | 183 | 93 | 38 | 191 | 22 | 5 | 5 | |||
2012 | Adeno | 51 | 5.8 | 18 | 25 | 8 | 1 | ||||
(n=883) | Boca | 15 | 1.7 | 8 | 7 | 4 | |||||
PIV | 51 | 5.8 | 18 | 19 | 3 | 4 | 2 | 2 | |||
RSV | 34 | 3.9 | 24 | 7 | 3 | ||||||
hCo | 22 | 2.5 | 8 | 7 | 2 | 1 | 4 | ||||
hRV | 138 | 15.6 | 49 | 41 | 8 | 2 | 22 | 2 | |||
hMPV | 6 | 0.7 | 1 | 1 | 4 | ||||||
Subtotal | 317 | 35.9 | 126 | 107 | 21 | 3 | 42 | 4 | 2 | 12 | |
n=883 | 144 | 192 | 98 | 24 | 198 | 36 | 10 | 181 | |||
Total | Adeno | 194 | 7.6 | 60 | 89 | 19 | 2 | 18 | 1 | 1 | |
(n=2,544) | Boca | 49 | 1.9 | 30 | 11 | 1 | 1 | 7 | |||
PIV | 100 | 3.9 | 40 | 36 | 4 | 3 | 8 | 2 | 3 | ||
RSV | 115 | 4.5 | 66 | 33 | 3 | 1 | 7 | 1 | |||
hCo | 71 | 2.8 | 27 | 16 | 4 | 1 | 20 | 3 | |||
hRV | 331 | 13.0 | 139 | 84 | 23 | 8 | 52 | 6 | 1 | ||
hMPV | 38 | 1.5 | 14 | 11 | 2 | 1 | 9 | ||||
Total | 898∗ | 35.3 | 376 | 280 | 56 | 17 | 121 | 13 | 5 | 30 | |
(14.8%) | (11.0%) | (2.2%) | (0.7%) | (4.8%) | (0.5%) | (0.2%) | (1.2%) | ||||
n=2,544 | 596 | 601 | 318 | 90 | 648 | 74 | 17 | 200 |
Table 4.
Respiratory viruses | Years | Total | ||
---|---|---|---|---|
2010 | 2011 | 2012 | ||
Sample numbers | 923 | 738 | 883 | 2,544 |
Parainfluenza virus (PIV) | ||||
PIV1 | 13 | 4 | 27 | 44 |
PIV2 | 12 | 2 | 14 | |
PIV3 | 14 | 6 | 22 | 42 |
Total | 27 | 22 | 51 | 100 |
(2.9%) | (3.0%) | (5.8%) | (3.9%) |