![follow-up continues to identify and quarantine patients with mutants COVID-19.](/images/www/en/news/news-list/2021/1614531143-1613991250-3618181.jpg)
International Affairs Office
follow-up continues to identify and quarantine patients with mutants COVID-19.
Arak University of Medical Sciences virologist said: "Corona mutant virus (English mutation), has more speed and power than its predecessor and this is our biggest concern.
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