The AZ shot hasn't been approved in the US yet. They also released a study there where they're suspected of cherry-picking data to make it look good https://ww

The AZ shot hasn't been approved in the US yet. They also released a study there where they're suspected of cherry-picking data to make it look good https://www.niaid.nih.gov/news-events/niaid-statement-astrazeneca-vaccine https://www.niaid.nih.gov/news-events/niaid-statement-astraz...