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COVID-19 vaccines are considered safe and effective by the FDA. Adverse reactions to the shots are possible, but rare, according to the Centers for Disease Control and Prevention.
Nature, 2024, Myocarditis associated with COVID-19 vaccination. MedrXiv, May 20, OpenSAFELY: Effectiveness of COVID-19 vaccination in children and adolescents. Thank you for supporting our journalism.
A 2022 meta-analysis on COVID-19 vaccines and pregnancy found that pregnant people were less likely to get vaccinations compared with non-pregnant cohorts. Factors associated with lower takeup of vaccination during pregnancy included younger age, lower education, lower socioeconomic status , and lack of adherence to influenza vaccination ...
The thrombosis events associated with the COVID‑19 vaccine may occur 4–28 days after its administration and mainly affects women under 55. [6] [2] [20] Several relatively unusual types of thrombosis were specifically reported to be occurring in those with the reaction: cerebral venous sinus thrombosis and thrombosis of the splanchnic veins.
Some claimed vaccine injuries are not, in fact, caused by vaccines; for example, there is a subculture of advocates who attribute their children's autism to vaccine injury, [7] despite the fact that vaccines do not cause autism. [8] [9] Claims of vaccine injuries appeared in litigation in the United States in the latter part of the 20th century.
The most recent COVID-19 vaccine should offer protection against the XEC variant, Russo says. “The most recent version of the vaccine seems to be reasonably well-matched,” he says.
In January 2021, Janssen announced that 28 days after a completed vaccination, the vaccine was 66% effective in a one-dose regimen in preventing symptomatic COVID‑19, with an 85% efficacy in preventing severe COVID‑19 [33] [34] [35] and 100% efficacy in preventing hospitalization or death caused by the disease.
The updated COVID-19 vaccine is now available. Infectious disease doctors recommend being smart about the timing of your shot. You can expect similar side effects to the previous vaccines if you ...