The cumulative incidence (AI) of the

coronavirus

has increased a bit after the latest Health data released this Friday, standing at

40.85 cases per 100,000 inhabitants.

Spain

is still

at low risk, but the contagion

has

not decreased

with

2,248 new cases of Covid and 57 new deaths

.

Meanwhile, a study published in the journal Cell Reorts notes that the

Pfizer and AstraZeneca vaccines

were also

less effective against the Delta and Delta Plus variants

compared to the parent virus.

7.45.

A study indicates that the variants of Covid Delta and Delta Plus could be resistant to some antibodies

A team from the German Primate Center - Leibniz Institute for Primate Research in Göttingen and their colleagues from the Hanover Faculty of Medicine, the Göttingen University Medical Center and the Friedrich-Alexander University of Erlangen-Nürnberg (Germany) have investigated why

the Delta variant of SARS-CoV-2

, the virus that causes

Covid-19

, spreads so effectively and whether

Delta Plus viruses

are more dangerous.

In their work, published in the journal

Cell Reports

, they were able to show that

Delta and Delta Plus infect lung cells more effectively than the original virus

. Furthermore, one of the four antibodies used to treat

Covid-19

was not effective against Delta, and Delta Plus was even

resistant against two therapeutic antibodies

.

Similarly, antibodies generated after vaccination with the

BioNTech-Pfizer and Oxford-AstraZeneca vaccines

were also

less effective against Delta and Delta Plus

compared to the

parent

virus.

On the other hand, these variants were inhibited comparably, suggesting that Delta Plus may not pose a greater risk to vaccinated people than Delta.

Finally, individuals vaccinated first with Oxford-AstraZeneca and then BioNTech-Pfizer were found to have significantly more Delta-inhibiting antibodies than individuals vaccinated twice with Oxford-AstraZeneca.

Thus, they demonstrate that the combination of two vaccines can induce particularly strong immune protection against SARS-CoV-2 variants.

7.30.

China adds 14 new Covid infections, all from travelers from abroad

The National Health Commission of

China

reported today the detection of

14 new positives of the SARS-CoV-2 coronavirus

this Friday, all of them diagnosed in

travelers from outside the borders of mainland China

.

The health authorities also reported today the detection of 18 new asymptomatic infections (all "imported", except 3), although Beijing does not count them as confirmed cases unless they manifest symptoms.

The total of this type of infections under observation is 372, of which 359 come from other territories.

According to the criteria of The Trust Project

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Keywords: ai, health data, delta, delta plus, variants, antibodies, cases, coronavirus, inhabitants, incidence, little, intravelers, cell reorts, bit, thecoronavirushas