One injection or more.. the effectiveness of corona doses against the delta variable


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One injection or more.. the effectiveness of corona doses against the delta variable, today Saturday 24 July 2021 02:00 pm

01:30 PM Saturday 24 July 2021

Written by – Hind Khalifa

A state of confusion prevailed with the emergence of new and dangerous variables from the emerging virus, about the number of doses of vaccines and their effectiveness against those new variables, the latest of which was the delta variable.

Giving Corona Virus Vaccines in two doses

According to timesofindia, the majority of corona vaccines around the world are given in two doses, and in other parts of the world, Pfizer’s mRNA vaccine is one of the first commercial corona vaccines approved for use. Like all other vaccines, mRNA vaccines are given to stimulate a durable immune response. , which is achieved through two doses.

-the study

The team of researchers involved in the study looked at blood samples from 59 people who received the first and second doses of the AstraZeneca Ovaizer Bionics vaccine. A second increased the effectiveness of the vaccine against the variants.
According to the study, a single dose of Pfizer or AstraZeneca was either weak or completely ineffective against the Delta strain.

The latest reports from the Centers for Disease Control and Prevention also indicate that a full vaccination provides a much better defense against infection than a partial vaccination.

Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, advises in a White House coronavirus briefing to get vaccinated, as it would confer protection against a sudden rise in the delta variable.

Will we need a booster dose against the Corona virus?

When it comes to corona, the requirement to get a booster dose is still under discussion, and while the mutated corona strains only add to the woes of people and health officials, the effectiveness of the booster vaccinations and whether we need them at all requires investigation and appropriate evidence.

Pfizer is looking to gain federal regulatory approval for a booster dose that is said to stimulate 5 to 10 times more antibodies than two doses of the coronavirus vaccines.

“We continue to believe that it is possible, based on the entirety of the data we have to date, that a third dose may be required within 6 to 12 months after full vaccination,” the company’s statement read.

“While protection against severe disease remained high over the full six months, the observed decrease in efficacy against symptomatic disease over time and persistence of variants are key factors that lead us to believe that a booster dose would likely be necessary to maintain the highest levels of protection,” she added.

The importance of corona vaccines amid emerging changes

COVID-19 doesn’t commend anyone, given that young and old alike are susceptible to the deadly coronavirus, everyone who falls within the eligibility criteria should get vaccinated, although you may not feel the need to vaccinate because Because you are young or do not have pre-existing comorbidities, it is critical that you protect the most vulnerable in society, and neglect can only lead to regret and can lead to another wave of coronavirus.


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