Written by: Karim Al-Barr
On Friday, June 11, the UK Department of Health announced that the delta variant of Coronavirus (COVID-19) is 60% more transmissible than the alpha variant, and it now comprises more than 90% of new infections in the Kingdom. united.
The delta strain was first demonstrated in India, while the alpha variant was discovered in Kent, southeast England.
Since last week, the number of delta variant cases in the UK has increased by 243%, to more than 42,000.
According to data from England’s Office for National Statistics, the number of COVID-19 cases in the country has reached a record level since April.
The UK Department of Health also notes that the Pfizer and AstraZeneca vaccines are 17% less effective against the delta strain than the alpha variant after a single dose, but the difference in effectiveness is minimal after both doses.
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This Thursday, 7,393 new cases of coronavirus were recorded in England, with 4,408 people testing positive for the virus between June 4 and 10. This increase shows an increase of 63.2% compared to the previous week’s data.
By 9 June, more than 40 million people in the UK had received their first dose of the vaccine and 28 million had received their second dose. Vaccines are currently given in two doses, three weeks apart.
The R range number for the UK increased from 1.0 to 1.2 with the current growth rate increasing from 0% to +3% per day. The R number is a mechanism for assessing the virus’s ability to spread, where R indicates the number of people an infected person can transmit the virus to.
*Camilo Hernandez contributed to this note.
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