SUMMARY :
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What are the symptoms of the BA.5 variant?
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Omicron wave: how many cases in France?
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Variant BA 5: is it dangerous? Should we be worried?
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After infection with Omicron, what immunity?
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How long are you contagious?
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What is the incubation period of Omicron?
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Are vaccines effective against Omicron?
The basics of the Omicron variant (BA1, BA2, BA4, BA5):
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During the previous wave (this winter), it is the sub-lineage BA.2 of Omicron which had imposed itself in France.
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Omicron (BA.2) was 30% more contagious than BA.1 itself three times more contagious than Delta.
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Today, if the BA.2 remains the majority, the detection of BA.4 (3.7%) and especially that of BA.5 (24.2%) is increasing.
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BA.5 is more contagious and gives rise to more marked symptoms.
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BA.4/BA.5 cases report a longer duration of clinical signs (7 days versus 4 days for BA.1).
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The name Omicron comes from Ancient Greek ὂμικρόνit is the 15th letter of the Greek alphabet. The last syllable “on” to the same pronunciation than “on / off”.
What are the symptoms of the BA.5 variant?
at the beginning of June, the cases of Covid infection increase in France (and in Europe), raising fears of a wave this summer. Currently, a 30 to 50% increase is observed each week and yesterday, Tuesday June 21, nearly 100,000 new cases were observed in 24 hours. In question ? The progression of the BA.4 and especially BA.5 variants, in a context of relaxation (…)
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