Meet our COVID-19 vaccines
Explore the sections below to learn more about our vaccines – from dosage and administration to the mechanism of action.
Get to know spikevax bivalent BA.4-5 by exploring our range of educational materials.
mRNA vaccines Mode of Action
Report an adverse event or product quality complaint
Adverse events should be reported. Reporting forms and information can be found at https://yellowcard.mhra.gov.uk or search for MHRA Yellow Card in the Google Play or Apple App Store and include the vaccine brand and batch/Lot number if available.
They can also be reported to Moderna using the Adverse Events Intake Portal or by calling 0800 085 7562. To report a product quality complaint or for general medical information inquiries, please contact Moderna on 0800 085 7562 or at EMEAmedinfo@modernatx.com.