He said on Tuesday that the “alarming” variant, which is present in 185 countries, had largely replaced the other three “worrying” variants, alpha, beta and gamma, which now account for less than 1% of serial cases. World Health Organization (Who is the). All viruses including the responsible SARS-CoV-2 virus
Du covid-19, mutated over time.
The emergence of variables, at the end of 2020, increased risks to global public health, prompting the World Health Organization to describe “to watch” and other variables as “of concern”, in order to prioritize surveillance and monitoring activities. Global research. “The dominant virus currently circulating is alternate delta Director of the COVID-19 technical team at the World Health Organization, Maria Van Kerkhove, said during a question and answer session on social networks.
Virus more transmissible
The other three variants of concern – Alpha, Beta and Gamma – each account for less than 1% of the currently available sequences, according to the World Health Organization. “This virus is becoming stronger and more transmissible and is competing to replace other circulating viruses,” she added, adding that it has been reported in 185 countries.
The World Health Organization decided to name the variants “watching” or “alarming” using the letters of the Greek alphabet, in order to avoid any stigmatization of a particular country and to allow the general public to pronounce it. names more easily. Currently, the World Health Organization considers four variables of “concern”. As the organization has so far looked at it Five other variables (eta, iota, kappa, lambda, mu) “must go on.” And Maria Van Kerkhove announced that three of them – ETA, Iota and Kappa – had just been downgraded.
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