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June 18, 2021 @ 09:31 +03:00
The Covid-19 delta variant originally discovered in India is now spreading around the world, becoming the dominant strain in some countries, such as the U.K., and likely to become so in others, like the U.S. On Wednesday, the World Health Organization said the variant had been detected in more than 80 countries and it continues to mutate as it spreads.
The variant now makes up 10% of all new cases in the United States, up from 6% last week. Studies have shown the variant is even more transmissible than other variants. Scientists have warned that the data suggests the delta variant is around 60% more transmissible than the “alpha” variant (previously known as the U.K. or Kent variant which was itself a much more transmissible than the original version of the virus) and is more likely to lead to hospitalizations, as has been seen in countries like the U.K.
WHO officials said Wednesday there were reports that the delta variant also causes more severe symptoms, but that more research is needed to confirm those conclusions. Still, there are signs that the delta variant could provoke different symptoms than the ones we’ve been advised to look out for when it comes to Covid-19.
The CDC’s updated list of symptoms, for example, includes fatigue, muscle or body aches, headache, a sore throat, congestion or runny nose, nausea or vomiting and diarrhea as possible symptoms of infection. There there are of course the millions of people who have had Covid-19 with no symptoms at all with the extent of asymptomatic transmission still being investigated by scientists. But the delta variant appears to be provoking a different range of symptoms, according to experts.
The fast-spreading delta Covid variant could have different symptoms, experts say, CNBC, Jun 18