COVID-19 vaccines are vital interventions to help end the pandemic. However, issues with equitable global access, falsified, diverted and substandard (especially degraded) vaccines are highly likely to become increasingly global public health problems. 

Read the latest Medicine Product Quality Report on substandard and falsified (SF) COVID-19 vaccines, which summarise reports in the public domain including data from the lay press, regulatory authorities, scientific literature and public alerts and warnings: https://www.iddo.org/mq/research/medical-product-quality-report-covid-19-vaccines

This may interest you