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- Immunologist points out which blood group has a lower risk of COVID-19 (VIDEO) – Bulgaria DarikNews
- People with a certain blood type get the m.dnes.bg coronavirus more easily
- Does blood type affect COVID-19 infection? (VIDEO) NOVA
- Blood type influenced COVID-19 infection News.bg
- Associate Prof. Dr. Velizar Shivarov: People with blood group 0 are the most protected against COVID-19 24 hours
- See full presentation on Google News