Results indicated a 90% drop in infection risk after participants were fully vaccinated, or in other words, two weeks after they received second jabs developed by Pfizer or Moderna. WHAT'S THE DIFFERENCE BETWEEN MRNA VACCINES AND CONVENTIONAL ONES? The findings were consistent with results from clinical trials conducted prior to the vaccines receiving emergency authorizations from the FDA, the CDC said. PFIZER COVID-19 VACCINE 94% EFFECTIVE IN REAL-WORLD CONDITIONS: STUDYThe CDC researchers lauded the study design involving weekly PCR nasal swab testing, because it afforded results on infections regardless of symptoms. "The study demonstrates that these two mRNA vaccines can reduce the risk of all SARS-CoV-2 infections, not just symptomatic infections," the CDC wrote in a statement.

Source: Fox News March 29, 2021 15:33 UTC