Table 3.
Overview of HCoV-NL63 screening in Western European studies covering 2 or more consecutive years.
| Country | Years testeda | Samples tested | Samples positive | Percentage positive | Reference |
|---|---|---|---|---|---|
| The Netherlands | 2001 | 85 | 4 | 4.71% | 19 |
| 2002 | 54 | 0 | 0.00% | 19 | |
| 2003 | 578 | 9 | 1.56% | 6, this study | |
| 2004 | 40 | 0 | 0.00% | 6, this study | |
| 2005 | 258 | 6 | 2.33% | 6, this study | |
| Belgium | 2003 | 233 | 6 | 2.58% | 22 |
| 2004 | 70 | 1 | 1.43% | 22 | |
| Switzerland | 2000 | 22 | 1 | 4.55% | 21 |
| 2001 | 28 | 5 | 17.86% | 21 | |
| 2002 | 10 | 0 | 0.00% | 21 | |
| 2003 | 16 | 0 | 0.00% | 21 | |
| 2004 | 22 | 1 | 4.55% | 21 | |
| 2005 | 22 | 2 | 9.09% | 21 | |
| 2006 | 2 | 0 | 0.00% | 21 | |
| Germany | 2000 | 726 | 10 | 1.38% | This study |
| 2001 | 916 | 57 | 6.22% | This study | |
| 2002 | 114 | 2 | 1.75% | This study | |
| Sweden | 2004 | 116 | 1 | 0.86% | 23 |
| 2005 | 106 | 11 | 10.38% | 23 | |
| France | 2003 | 300 | 28 | 9.33% | 18 |
| 2004 | 200 | 4 | 2.00% | This study | |
| 2005 | 1002 | 33 | 3.29% | 15 | |
a
A year is defined from August to July, e.g. year 2000 is the period between August 1999 till July 2000.