Is it safe? Global concern over the use of AstraZeneca vaccine explained

Is Oxford/AstraZeneca Covid-19 vaccine safe for use? Many countries, including India, have started reviewing the vaccine after reports surfaced over ‘possible side-effects’.
 

The AstraZeneca vaccine showed efficacy up to 90%, given it is inoculated at a gap of 2-3 months. Besides, the manufacturing cost of the vaccine is also lesser than its peers and can be stored in a standard refrigerator unlike the one produced by Pfizer/BioNtech.
 

Despite all these favourable characteristics, what made some countries, either suspend or limit vaccine use?
 

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Track Title by Scott Buckley – www.scottbuckley.com.au