Press Release:- The Caribbean Regulatory System (CRS) of the Caribbean Public Health Agency (CARPHA), in collaboration with the Pan American Health Organization / World Health Organization (PAHO/WHO), launches a week-long social media campaign to promote the importance of reporting suspected side effects following vaccination to the CRS or to national reporting systems. Taking place from 1–7 November 2021, the sixth annual #MedSafetyWeek social media campaign will focus on vaccines. Medicines agencies from 64 countries will be encouraging healthcare professionals, national immunisation programme staff, as well as patients, their carers and families, to report problems experienced with vaccines including COVID-19 shots.