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In November, the municipality asked the National Institute of Public Health (NIPH) to analyze samples from the outbreak in Rana.
The reason was that people who tested positive had a short incubation period. The virus also appeared to be transmitted to people who do not meet the criteria for close contact.
– When we detected the infection at the beginning of the outbreak, we had the feeling that something was wrong, says municipal chief physician Frode Berg.
Rana has now received a response from FHI.
Same mutation as Trondheim
Municipal Chief Medical Officer Frode Berg says they have been able to confirm their suspicions that something was different in Rana.
Photo: Frank Nygård / NRK
Their studies show that most of the Rana viruses tested have the same mutation that was found in the “Little London” outbreak in Trondheim.
The virus in Rana does not originate in Trondheim, but is due to new imports from abroad.
The eruption at Rana began on October 28. As of yesterday, 140 people tested positive.
FHI analyzes show that there have been at least two different virus strains in connection with the outbreak in Rana.
Three shoots
Additionally, Rana has had a cluster of infections with foreign workers that are unrelated to the local outbreak.
No viruses in this group have been tested.
According to the municipality, the outbreak consists of at least three outbreaks. They have arisen and continued almost at the same time.
– Somehow we have been attacked from several sides at the same time. This may explain why we have spent time controlling the outbreak, says municipal chief physician Berg en Rana.
Doesn’t change handling
Also in Trondheim, the virus behaved differently. The incubation period was short and the infectivity higher.
An estimated 90 percent of those infected were infected with coronavirus with the same mutation found in the “Little London” outbreak in Trondheim.
The municipality of Rana continues its work with testing, isolation, infection detection and quarantine (TISK).
FHI’s responses do not change the way Rana handles the local outbreak.
– You don’t have much to say. We work with the same principles regardless of whether we have one or more types of viruses and the properties of the virus, says Berg.
