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Continue to Chat95 to 97% of those vaccinated have antibodies within 15 days. Between 95 and 97% of health professionals vaccinated against Covid-19 at São João Hospital, Porto, presented, 15 days after the first dose, antibodies that lead to immunity, revealed the director of the clinical pathology service https://www.theportugalnews.com/news/2021-01-17/95-to-97-of-those-vaccinated-have-antibodies-within-15-days/57759