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دراسة أمريكية توضح أن لقاحات وباء فيروس كورونا تصبح أقل فعالية مع انتشار متحور دلتا

2021-12-05
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United States study shows COVID-19 vaccines lost effectiveness due to Delta strain.

Researchers from the Public Health Institute in Oakland, the Veterans Affairs Medical Center in San Francisco, and the University of Texas Health Science Center recently conducted a study on the effectiveness of COVID-19 vaccines over time in a population of 800,000 US veterans and found that their ability to protect against the infection had declined. 

Specifically in the participants over the age of 65, the effectiveness was reduced from 89% to 58% with the Moderna inoculation, from 87% to 45% with the Pfizer-BioNTech vaccine and from 86% down to just 13% for the Johnson & Johnson’s product. 

Protection against the likelihood of death for this particular age group was also reduced, ranging between 52% with the Johnson & Johnson’s vaccine and 76% with the Moderna compared to not being vaccinated at all. 

Our appreciation, researchers, for helping to highlight the increasing ineffectiveness of COVID-19 vaccines, so that people can make informed decisions about wearing masks and protecting themselves in other ways. In the mercy of the Providence, may the citizens of the world soon deal with the root cause of the pandemic and stop eating animal-people.

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