Tuesday, March 16, 2021

Controversies regarding AstraZeneca vaccine safety: the risk/benefit game

 European countries including Germany, France, Italy, Spain, Denmark, Norway and the Netherlands, among others, have paused the use of the AstraZeneca COVID-19 vaccine after reports of blood clots forming following the administration of the vaccine. In response, AstraZeneca released an update on the14th of March reassuring nations of the safety of the vaccine based on scientific evidence. 


The company reported that of the 17 million people vaccinated across EU member nations and the UK, 15 events of deep vein thrombosis and 22 cases of pulmonary embolism are reported as of March 8. The company also assured monthly safety reports to be made public with complete transparency next week. The Chief Medical Officer added, “The nature of the pandemic has led to increased attention in individual cases and we are going beyond the standard practices for safety monitoring of licensed medicines in reporting vaccine events, to ensure public safety.”


Since the clinical trial data and reports of adverse side effects following administration vaccines thus far have not shown alarming flags in terms of safety, the viability of vaccines during storage, shipments and distribution is another area to examine. This was also included in the safety update released by the company in which it reports ‘no confirmed issues’ in different batches of vaccines being distributed across the EU, UK and the rest of the world. 


The nations that suspended the use of the vaccine indicated that they are waiting for pending analysis from European authorities and regulators. WHO officials and the European Medicines Agency along with many health officials have been releasing statements that they are ‘firmly convinced’ the vaccine’s benefits far outweigh the risks. WHO officials are recommending the continued use of the vaccine and further highlighted the major challenge in the global fight against the pandemic is access to vaccines not concerns of blood clots. 


While European nations who halted the use of the AstraZeneca vaccine did so as precautionary efforts, the magnitude of the concern that resulted in this decision is questionable. Moreover, such powerful nations stopping vaccines in such a worry has an impact on the public’s perception of vaccines that is very concerning. This decision could feed into existing fears and mistrust of vaccines and even spark concerns among the public around the world. Did these countries act prematurely?

 

-Bethel


https://www.aljazeera.com/news/2021/3/15/which-countries-have-halted-use-of-astrazenecas-covid-vaccine 

https://www.washingtonpost.com/nation/2021/03/15/coronavirus-covid-live-updates-us/#link-4BVATIYKYFAL5J2ZC5IMBCEXT4 

https://www.astrazeneca.com/media-centre/press-releases/2021/update-on-the-safety-of-covid-19-vaccine-astrazeneca.html

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