Pfizer, Moderna COVID-19 vaccines present no security issues throughout first month of rollout, CDC says

No regarding questions of safety had been related to both the Pfizer and BioNTech or Moderna coronavirus vaccines through the first month of rollouts, the Centers for Disease Control and Prevention (CDC) reported Friday. No deaths had been attributed to the vaccines both, the well being company famous.

The report, which included knowledge from the primary vaccines administered on Dec. 11 by Jan.13, 2021, discovered the most typical signs related to the jabs to be headache, fatigue and dizziness. While 113 deaths had been reported to the Vaccine Adverse Event Reporting System, not one of the knowledge recommended a relationship to the COVID-19 vaccine.

The company did word “uncommon instances” of anaphylaxis amongst each Pfizer and Moderna vaccine recipients, however that it was not outdoors of the vary of these seen with different vaccines. 

“The prevalence of anaphylaxis after receipt of COVID-19 vaccines through the analytic interval, 4.5 instances per million doses administered, is throughout the vary reported after receipt of inactivated influenza vaccine (1.4 per million), pneumococcal polysaccharide vaccine (2.5 per million), and reside attenuated herpes zoster vaccine (9.6 per million); efficient therapies for anaphylaxis exist (6),” the report stated. 

The company additionally stated opposed reactions to the Pfizer vaccine had been extra regularly reported after receiving the second dose than the primary, however that info pertaining to Moderna’s second dose was not but obtainable on account of dosing intervals. 

“The preliminary postauthroziation security profiles of the 2 COVID-19 vaccines in present use didn’t point out proof of sudden severe opposed occasions,” the report stated. “These knowledge present reassurance and useful info relating to what well being care suppliers and vaccine recipients would possibly count on after vaccination.”

In the roughly 30 days of monitoring, over 13.7 million doses had been administered. Across the U.S., the rollout noticed a rocky begin, with confusion over scheduling, provide constraints and concern over wasted doses.


Supply continues to be a priority amongst states, with the U.S. presently averaging about 1.7 million doses administered per day however folks persevering with to see lengthy wait instances or appointments canceled. On Friday, the White House famous that winter storms had impacted transport of incoming provide to every of the 50 states, and that about 6 million doses had been being held up. Andy Slavitt, White House COVID-19 advisor, stated he expects the delayed provide to catch up throughout the coming days. 

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