The coronavirus strain Delta that was first detected in India has been recorded in 148 countries as of August 18.
The World Health Organization (WHO) announced this on its website.
As for the Alpha strain (that was first detected in the UK), it has been recorded in 190 countries. The Beta strain that began to spread in South Africa—in 138 countries, and Gamma (Brazil)—in 82.
The WHO notes that in the past few months, the number of people infected with coronavirus has increased, and that is due to an increase in the number of cases in the Asia-Pacific region and in the Americas, where it increased by 14% and 8%, respectively.
Context. The first cases of the Delta strain in Ukraine were recorded at the end of June. 
previously reported that the formulators of vaccines against coronavirus Johnson & Johnson, Moderna, AstraZeneca, and Pfizer-BioNTech announced the effectiveness of their drugs against the Delta strain.
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