Updates

These updates includes material published by third parties and compiled by PAHO. PAHO has taken reasonable precautions to verify the information contained in the document. However, this material is being distributed without warranty of any kind. The reader is responsible for the interpretation and use of this information and in no event shall PAHO be held liable for any damages arising from its use.
  • Updates
  • Official reports from pharmacovigilance programs
  • Clarifications/conclusions of events presented in previous communications
  • Other related updates
04/27/2021

Risk of blood clots in the brain due to COVID-19: disease and vaccination. Comments include information from a non-peer-reviewed study that has not yet been published

According to research from the University of Oxford, COVID-19 disease is associated with a much higher risk of cerebral venous thrombosis than the risk from the COVID-19 vaccination with the Pfizer-BioNTech and Moderna vaccines.

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04/19/2021

The risk of blood clots in the brain due to COVID-19: disease and vaccination. Comments that include information from a non-peer-reviewed study that has not yet been published

According to research from the University of Oxford, COVID-19 disease is associated with a much higher risk of cerebral venous thrombosis than the risk from the COVID-19 vaccination.

Read more