By: Karim Al-Bari
England’s Department of Health announced this Friday, 11 June that the delta version of the coronavirus (COVID-19) is 60% more transmissible than the alpha version and now comprises more than 90% of new cases of contagion in the Kingdom. Joint.
The delta strain was first found in India, while the alpha variant was found in the city of Kent, south-east of England.
Since last week, the number of cases of the delta variant in the UK has increased by 243%, reaching more than 42,000 cases.
The number of COVID-19 cases in the country has reached a record high since April, according to data from England’s Office of National Statistics.
The UK Department of Health also notes that the Pfizer and AstraZeneca vaccines are 17% less effective against the delta strain than the alpha version after a single dose, but the difference in efficacy is minimal after both doses.
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This Thursday, England recorded 7,393 new cases of the coronavirus, with 44,008 people who tested positive between 4 and 10 June. This increase represents an increase of 63.2% with respect to the figures for the previous week.
As of 9 June, over 40 million people in the UK have received their first dose of the vaccine and another 28 million have received their second dose. Currently the vaccines are given in two doses spaced three weeks apart.
The R rank number for the UK has 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 evaluating the virus’s ability to spread, where R indicates the number of people to whom an infected person can transmit the virus.
*Camilo Hernandez contributed to the writing of this note.
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