Seppälä Elina, Tønnessen Ragnhild, Veneti Lamprini, Paulsen Trine Hessevik, Steens Anneke, Whittaker Robert, Bragstad Karoline, Berild Jacob Dag, Løvlie Astrid Louise, Naseer Umaer, MacDonald Emily, Vold Line
Tidsskr Nor Laegeforen. 2020 Dec 11;140(18). doi: 10.4045/tidsskr.20.0525. Print 2020 Dec 15.
The first case of SARS-CoV-2 infection in Norway was confirmed on 26 February 2020. Following sharpened advice on general infection control measures at the beginning of the outbreak, extensive national control measures were implemented on 12 March, and testing was focused on those with severe illness. We describe the first six weeks of the outbreak in Norway, viewed in light of testing criteria and control measures.
We described all laboratory-confirmed cases of COVID-19 reported to three different surveillance systems under the Norwegian Institute of Public Health up to 5 April 2020, and compared cases reported up to 12 March with those reported from 13 March.
By 12 March, 1 128 cases had been reported. Their median age was 47 years, 64 % were male, 66 % had travelled abroad, 6 % were hospitalised at the time of reporting, and < 1 % had died. The median age of the 4 742 cases reported from 13 March was 48 years, 47 % were male, 18 % had travelled abroad, 15 % were hospitalised, and 3 % died.
The distribution of COVID-19 cases before and after 12 March reflects different phases of the outbreak. However, findings must be interpreted in the light of criteria for testing, testing activity, control measures and characteristics of surveillance systems.
挪威首例新型冠状病毒肺炎（SARS-CoV-2）感染病例于2020年2月26日确诊。在疫情初期强化了关于一般感染控制措施的建议后，3月12日实施了广泛的国家控制措施，检测重点为重症患者。我们根据检测标准和控制措施，描述了挪威疫情爆发的前六周情况。
我们描述了截至2020年4月5日向挪威公共卫生研究所下属三个不同监测系统报告的所有实验室确诊的2019冠状病毒病（COVID-19）病例，并比较了3月12日前报告的病例与3月13日起报告的病例。
截至3月12日，共报告1128例病例。其中位年龄为47岁，64%为男性，66%有国外旅行史，报告时6%住院，<1%死亡。3月13日起报告的4742例病例中位年龄为48岁，47%为男性，18%有国外旅行史，15%住院，3%死亡。
3月12日前后2019冠状病毒病病例的分布反映了疫情的不同阶段。然而，研究结果必须根据检测标准、检测活动、控制措施和监测系统的特点来解读。
