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CDC encourages vaccinated individuals to continue taking public health precautions to prevent infection and transmission

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the staff of the Ridgewood blog
Ridgewood NJ, on April 2, a team of researchers led by the US CDC COVID-19 Response Team published interim estimates of a prospective cohort study describing the effectiveness of the two-dose Pfizer-BioNTech and Moderna SARS-CoV-2 mRNA vaccines among healthcare and other frontline workers. The report, published in the CDC’s Morbidity and Mortality Weekly Report (MMWR), describes data collected from December 14, 2020 to March 13, 2021, through the HEROES-RECOVER network of 8 US sites. Overall, 3,950 frontline workers (i.e., those who routinely are within 3 feet of other individuals as part of their occupation) with no prior laboratory documentation of SARS-CoV-2 infection were included in the analysis. Participants were actively monitored for COVID-19 symptoms and self-collected weekly nasal swabs which were tested for SARS-CoV-2 infection.

Continue reading CDC encourages vaccinated individuals to continue taking public health precautions to prevent infection and transmission

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COVID Vaccine Safety : 13.8 million doses of vaccine were administered and 113 deaths reported

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the staff of the Ridgewood blog
Ridgewood NJ, many readers have beeen asking about vaccine safety and here is is, researchers from the US CDC COVID-19 Response Team and the US FDA published analysis of early SARS-CoV-2 vaccine safety monitoring from the US vaccination campaign. The study, published in the US CDC’s MMWR, reviewed safety monitoring data for the Pfizer-BioNTech and Moderna vaccines administered in the US from December 14, 2020, to January 13, 2021—accounting for approximately the first month of vaccinations for both products. During this period, 13.8 million doses of vaccine were administered, and there were 6,994 post-vaccination adverse events reported in the Vaccine Adverse Event Reporting System (VAERS). The most common symptoms were headache (22.4%), fatigue (16.5%), and dizziness (16.5%). Anaphylactic reactions were reported in approximately 4.5 out of every million vaccinations, which is similar to the rate expected for inactivated seasonal influenza vaccines. Adverse events were more likely to be reported after an individual’s second dose than their first dose. 

Continue reading COVID Vaccine Safety : 13.8 million doses of vaccine were administered and 113 deaths reported