Omicron variant was detected in the Netherlands before S. Africa flights
AMSTERDAM, Nov 30 (Reuters) - The COVID-19 Omicron variant was detected in the Netherlands before two flights arrived from South Africa last week carrying the virus, Dutch health officials said on Tuesday.
"We have found the Omicron coronavirus variant in two test samples that were taken on Nov. 19 and Nov. 23," the RIVM said. "It is not clear yet whether these people have visited Southern Africa."
Omicron variant was detected in the Netherlands before S. Africa flights
BEFORE South Africa raised the alarm.
This tells me that Omicron may very well be present elsewhere before the 24th but samples have not yet been tested as cases were assumed to be Delta......maybe.
I believe that samples have to be genetically sequenced to identify what mutations are present. Not all PCR tests are sequenced, and some countries, are doing more sequencing than others.
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ETA: It seems that the Omicron variant is still able to show a positive Covid test, if Sars-coV-2 is present, but that the regular rapid antigen or standard PCR tests will just show positive/negative, and not the variant present. JMO
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