La variante delta causa más de 90% de nuevos casos de Covid en Reino Unido

Más que 90% de los casos de Covid en el Reino Unido ahora se deben a la variante delta del coronavirus descubierta por primera vez en India, los datos han revelado, como pasó el número total de casos confirmados 42,000.

También conocido como B.1.617.2, the Delta variant has been linked to a rise in Covid cases in the UK in the past weeks. It is believed to spread more easily than the Alpha variant, B.1.1.7, that was first detected in Kent, and is somewhat more resistant to Covid vaccines, particularly after just one dose. It may be also associated with a greater risk of hospitalisation.

Ahora, Public Health England (PHE) has said that more than 90% of new Covid cases in the UK involve the Delta variant. Indeed the most recent data suggests the figure could be as high as 96% of new cases in England.

The PHE report further revealed that cases of the virus are doubling between every 4.5 y 11.5 dias, depending on the region of England, and that it has about a 60% increased risk of household transmission compared with the Alpha variant. Confirmed cases in the UK to date have risen by 29,892 a 42,323.

The steep jump in cases is, en parte, down to the use of a new technique to determine the variant present in a positive Covid sample. Previously, positive samples were sent to laboratories for whole-genome sequencing – a process that took five to 10 days to return results.

sin embargo, the new data includes results from a more rapid approach known as genotyping in which, rather than looking at the whole genome of the virus to work out which variant is involved, only key sections of the genome are examined. This gives results within 48 horas, with the report revealing it is highly accurate when it comes to picking up the Delta variant.

Using this approach, together with the more time-consuming genome-sequencing technique, the team says the most recent data shows 96% of Covid cases in England involve the Delta variant.

Dr Jenny Harries, the chief executive of the UK Salud Security Agency, urged people eligible for vaccination to come forward to receive the jab.

“With numbers of Delta variant cases on the rise across the country, vaccination is our best defence," ella dijo, noting two doses providef significantly more protection than a single dose. "Sin emabargo, while vaccination reduces the risk of severe disease, it does not eliminate it,” she added.

That is backed up by the data. According to the report, since the start of February to 7 junio, there were 33,206 Delta cases in England: mientras 19,573 were in unvaccinated individuals, 1,785 were among fully vaccinated people and 7,559 were among those who had received one jab, with the vaccination status of the remainder unclear.

In total, 383 people in England were admitted to hospital with the Delta variant over that period – 223 of whom tested positive for Covid before turning up at A&E – with 42 having had two doses of the jab, 86 having one dose and 251 unvaccinated.

Of the 42 deaths recorded in England within 28 days of a positive test involving the Delta variant, 23 were in unvaccinated people, con 12 among those who were fully vaccinated and seven among people who had had one dose.

The report chimes with survey data from the Office for National Statistics based on swabs collected from randomly selected households, which shows Covid infection levels are increasing in Britain.

According to the latest estimates, sobre 96,800 people in the community in England had Covid in the week ending 5 June – equating to about 1 en 560 people – compared with 85,600 gente, or about one in 640, la semana anterior. Rises were also seen in Scotland and Wales, while the trend was unclear for Northern Ireland.

Otra vez, the picture varies by region – although the low number of people testing positive means the figures have a higher degree of uncertainty.

“In the week ending 5 junio 2021, the percentage of people testing positive has increased in the north-west, West Midlands, London and the south-east,” the report said, although it added there were early signs of a decrease in the percentage of people testing positive in the east of England.

There are also differences by age, with infection levels rising in younger adults up to 34 años, and those aged 50 a 69 años. As with the PHE report, the ONS data suggests the Delta variant is now dominant in England.

Further data from the ONS suggests people in Great Britain are becoming less concerned about keeping their distance from each other. According to the latest figures, the proportion of adults maintaining social distancing with people outside their household fell to 68% over the period 2-6 June compared with 74% la semana anterior, while – as per last week – 50% of adults said they had met up indoors with someone not in their household, childcare or support bubble in the past seven days.

Además, 12% of adults said they planned to go on a trip abroad before September, con 71% saying the trip would be a holiday. The use of face coverings outside of the home has remained high at 96% in the most recent week.

“With data showing that Delta is significantly more transmissible than Alpha, it is just as important as ever to follow public health advice, which has not changed,” said Harries. “Get vaccinated, work from home where you can and remember ‘hands, face, space, fresh air’ at all times. These measures work, and they save lives.”




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