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Heart inflammation rates higher after Moderna COVID-19 vaccine: Canada data
CGTN
People receive COVID-19 vaccine at a clinic in the Province of Quebec in Montreal, Canada, March 1, 2021. /CFP

People receive COVID-19 vaccine at a clinic in the Province of Quebec in Montreal, Canada, March 1, 2021. /CFP

Canadian health department said on Friday that data suggests reported cases of rare heart inflammation were relatively higher after Moderna's COVID-19 vaccine compared with the Pfizer-BioNTech shots.

Vaccine safety surveillance data in Canada indicated "relatively higher rates of myocarditis and/or pericarditis reported after Spikevax (Moderna) vaccination compared to Comirnaty (Pfizer-BioNTech)," said a statement from the Public Health Agency of Canada.

The data also suggested that heart inflammation occurs more often in adolescents and adults under 30 years of age, more often in males, and more often after a second dose of an mRNA vaccine and most occur within seven days of vaccination.

It also said majority of the affected individuals experienced relatively mild illness and recovered quickly.

The risk of cardiac complications, including heart inflammation, has been shown to be substantially increased following COVID-19 infections, with the risks higher after the infection than after vaccination, according to the statement.

The benefits of mRNA shots in preventing COVID-19 continue to outweigh the risks, regulators in the United States, EU and the World Health Organization have said.

Source(s): Reuters

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