COVID-19 vaccines remain strong against Delta, decreasing protection in older adults

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The vials with the Pfizer-BioNTech vaccine and Modern coronavirus disease (COVID-19) are seen in this image from the illustration of March 19, 2021. REUTERS / Dado Ruvic / Illustration

CHICAGO, Sept. 10 (Reuters) – Three US studies suggest COVID-19 vaccines offer strong protection against hospitalization and death, even in the face of the highly transmissible Delta variant but vaccine protection it appears to be declining among the larger populations, especially among the 75 and older.

U.S. data on hospitalization in nine states during the period when the Delta variant was dominant also suggest that the Modern Vaccine Inc. (MRNA.O) was more effective in preventing hospitalizations among people of all ages than vaccines. of BioNTech / Pfizer Inc (PFE.N) or Johnson & Johnson (JNJ.N).

In this study of more than 32,000 visits to emergency care centers, emergency rooms and hospitals, Moderna’s vaccine was 95% effective in preventing hospitalization compared to 80% for Pfizer and 60% for J&J .

Overall, the findings, released Friday in the U.S. Centers for Disease Control and Prevention’s weekly report on deaths and illnesses, show that vaccines continue to offer strong protection against COVID-19.

Reports by Julie Steenhuysen; Edited by Aurora Ellis

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