- B. 1.617.2 was first detected in India in December and led to a violent third wave in the country. Only in March-April 2021 did the share of the variety increase in India and is dominant in the country. The virus variant has been named Delta.
- The variety spread to a number of countries, such as England where it is becoming dominant.
- In Norway, at least 139 cases have been detected. NIPH considers the risk that this variant will spread in Norway to be high.
- The variant seems to be more contagious than “wild variants” – ie the variant that led to the first wave worldwide. It also appears to be more contagious than the British variant.
- Delta appears to increase the risk of hospitalization compared to alpha.
- The variant will probably spread further in Norway and eventually become dominant.
Source: FHI’s risk assessment of the delta variant
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In March, Vestfold and Telemark had the highest infection pressure nationally, with an R-number of 1.7. Færder and Tønsberg were then among the municipalities with by far the highest infection pressure in the country.
Now, however, the trend in the registered infection in Tønsberg is flat, according to VG’s overview. And despite delta infection, it is not about the infection numbers the municipality saw earlier this spring:
Several fully vaccinated infected
Among those infected with the delta variant, several are fully vaccinated. Maybe it can provide new knowledge, says the municipal chief.
– We have always known that fully vaccinated can be infected, but with a lower symptom burden. It is also believed that they are less contagious. Now we know that some of the fully vaccinated infected here have several close contacts, so in the next few days we may know a little more about the extent to which they are transmitted further or not.
Also in Færder, several of the infected are fully vaccinated. Earlier on Thursday, municipal chief physician Elin Jakobsen informed NTB that six fully vaccinated people had been infected. Frode Forland, director of infection control at FHI, says Dagbladet that number is alarmingly high.
– We can not draw any conclusions on this basis, but it is an alarmingly high number. I think so. he says to the newspaper.
Knowledge so far also indicates that vaccination with one dose of mRNA vaccine protects somewhat less against disease from the delta, but that one is “very well” protected after two doses, shows FHI’s latest risk assessment of the virus variant, which they call a “concern variant”.
It seems that the risk of the virus variant continuing to spread in Norway is great. In the long run, this will be dominant, the outbreak group believes behind the note.
– We expect that the epidemic can still be kept under control with effective implementation of current measures and continued rapid vaccination of as many as possible.
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