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Scientists in Shanghai have found a surprisingly low level of antibodies in patients who are discharged after having been infected by the covid-19, writes the South China Morning Post.
At the other koronavirus one is immune, but the fresh discoveries allows the researchers are unsure whether the one can be infected several times.
the Question of immunity is still very uncertain. It is first and foremost about how long one is immune, and about what virusvariant one is immune to, ” says assistant director Espen Rostrup Nakstad to the NRK.
Young had little antibodies
MUCH WORK REMAINS to be done: Espen Rostrup Nakstad in the ministry of Health says there is still much uncertainty related to the koronaviruset and immunity.
Photo: Heiko Junge / NTB SCANPIX
Researchers at Fudan university analysed blood samples of 175 patients discharged from Shanghai Public Health Clinical Centre. They found that nearly one third had a low level of antibodies.
In some cases, they found no antibodies at all. If patients run the risk of relapse or be reinfected, must be examined in further studies, write the researchers.
the Study from Fudan university is not peer reviewed, but will be the first systematic examination of antibodies from the covid-19-patients.
All the patients studied had mild symptoms.
the Researchers discovered that the older patients had higher level of antibodies than the younger ones.
Restricted documentation
In a report that was posted on Tuesday, go FHI through 16 research articles on this subject.
the Conclusion is that much is uncertain.
“We found very limited evidence of immunity after infection with SARS-CoV-2,” type FHI.
the Doctor Trine Hessevik Paulsen at FHI explains that the findings from Fudan University are not included in the FHI report, but they have now seen the study upon request from the NRK. She says FHI need to see more detail on the study, but that there is a match between their report and the findings from the Fundan, among other things, when it comes to the proportion who develop antibodies after undergone infection.
– We don’t know yet if he is completely (or partially) immune after the infection, and how long ev. will be protected. You get probably a degree of protection against re-infection, but there is uncertainty related to the duration of the protection, ” says Hessevik Paulsen.
the Findings will be of great importance
In the last week stated the FHI-researcher Petter Elstrøm to NRK that they went out from that one would be immune for the disease, but that they were waiting on more results.
Findings will have much to say for the production of a vaccine and with the thought of flokkimmunitet.
the united Kingdom was one of the countries that are in an early phase focused on the fact that a contamination should create flokkimmunitet. 16. march introduced the government more stringent measures.
Sweden has also talked about flokkimmunitet, and no later than Wednesday morning stated statsepidemiolog Anders Tegnell that the disease will spread until they have reached an immunity in the people. “Any other way to stop it, are not,” said Tegnell.
Britain’s health minister Matt Hancock has said that the government looks at the possibility of issuing immunitetssertifikater, so that those who have had the disease can work as normal.
If you don’t get immune, or whether the immunity is very short-lived, also falls this solution.
More about koronaviruset StatusRåd and infoØkonomiSpør NRK Status NorgeSist updated: 08.04.20206010Smittet249Innlagt99DødeStatus for Norway
