The cumulative incidence (AI) of the
has increased a bit after the latest Health data released this Friday, standing at
40.85 cases per 100,000 inhabitants.
at low risk, but the contagion
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
less effective against the Delta and Delta Plus variants
compared to the parent virus.
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
, spreads so effectively and whether
Delta Plus viruses
are more dangerous.
In their work, published in the journal
, 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
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
less effective against Delta and Delta Plus
compared to the
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.
China adds 14 new Covid infections, all from travelers from abroad
The National Health Commission of
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
Science and Health
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