Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of cases and controls by reporting county, NE study, Sweden 2011–2012
| Västerbotten | Norrbotten | Västernorrland | Jämtland | Total | |
|---|---|---|---|---|---|
| Cases reported in SmiNet | 59 | 50 | 34 | 28 | 171 |
| Cases included in analysis | 49 | 30 | 20 | 15 | 114 |
| Controls included in analysis | 124 | 79 | 47 | 50 | 300 |
