Table 1 The rates of respiratory virus detection among Hajj pilgrims returning to China from 2013 to 2015
From: No MERS-CoV but positive influenza viruses in returning Hajj pilgrims, China, 2013–2015
Virus detection | Symptoms (χ2 = 44.24, P = 0.00) | Years (χ2 = 0.37, P = 0.83) | Total positives % | |||
|---|---|---|---|---|---|---|
Fever | Non-fever | 2013 | 2014 | 2015 | ||
Influenza A | 7 (44%) | 27 (3.2%) | 20 (3.9%) | 5 (6%) | 9 (3.6%) | 4.0% (34/847) |
Influenza B | 0 | 14 (1.7%) | 7 (1.4%) | 0 | 7 (2.8%) | 1.7% (14/847) |
Metapneumo virus | 4 (25%) | NA | 2 (0.4%) | 2 (2.4%) | 0 | 0.5% (4/847) |
Respiratory syncytial virus | 2 (12.5%) | NA | 1 (0.2%) | 1 (1.2%) | 0 | 0.2% (2/847) |
Human coronavirus HKU1 | 1 (6.3%) | NA | 0 | 1 (1.2%) | 0 | 0.1% (1/847) |
Human coronavirus 229E | 1 (6.3%) | NA | 0 | 1 (1.2%) | 0 | 0.1% (1/847) |
Human coronavirus OC43 | 1 (6.3%) | NA | 0 | 1 (1.2%) | 0 | 0.1% (1/847) |
Middle East respiratory syndrome coronavirus (MERS-CoV) | 0 | 0 | 0 | 0 | 0 | 0 |
Total influenza (A and B) % | 44% (7/16) | 4.9% (41/831) | 5.3% (27/511) | 6.0% (5/84) | 6.3% (16/252) | 5.7% (48/847) |
Total respiratory infection | 16 | 41 | 30 | 11 | 16 | 6.7% (57/847) |
Total | 16 | 831 | 511 | 84 | 252 | 100% (847/847) |