Cuba says second COVID-19 vaccine Soberana 2 boasts 91.2% efficacy
By Marc FrankHAVANA, July 8 (Reuters) - Cuba said on Thursday its two-shot Soberana 2 vaccine, delivered with a booster called Soberana Plus, had proven...
By Marc FrankHAVANA, July 8 (Reuters) - Cuba said on Thursday its two-shot Soberana 2 vaccine, delivered with a booster called Soberana Plus, had proven...