RIVM launches study on long-term effectiveness of COVID-19 vaccines RIVM is launching an extensive study today to research the long-term effectiveness of the various COVID-19 vaccines in the Netherlands.
Possible health risks due to exposure to chromium-6 at tROM project Tilburg Research by RIVM shows that the participants in the so-called tROM project, their supervisors and other people involved may have been exposed to chromium-6.