Aude Lecrubier Cases of menstrual disorders, particularly unusually heavy menstrual bleeding, have been reported following RNA vaccination against COVID-19. In France, this safety signal has been confirmed and added to the product characteristics summaries and vaccine leaflets for mRNA vaccines in October 2022. However, few studies have accurately measured this risk to date. To address...
Tag: <span>RNA vaccines</span>
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What protection do RNA vaccines provide against COVID-19 variants?
by Anne Goffard, The Conversation Credit: Unsplash/CC0 Public Domain Ever since the appearance of SARS-CoV-2 variants, a crucial question has been on everybody’s minds: will vaccines developed to protect against the “original” strain also work against new variants? It’s a legitimate concern. In late March, South Africa announced that it had sold off all its doses...