In this Telemundo 60 story, Dr. Ruth Berggren, Infectious Diseases, clarified that the process used by Johnson & Johnson is a scientific process that has been used with other vaccines and medicines to determine if they are effective.
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In this Telemundo 60 story, Dr. Ruth Berggren, Infectious Diseases, clarified that the process used by Johnson & Johnson is a scientific process that has been used with other vaccines and medicines to determine if they are effective.