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" ... The P.1 variant in Brazil has driven a new surge of cases and hospitalizations, and also showed some indication that it was reinfecting people who’d had other variants of the disease, which caused initial worries among researchers about vaccine effectiveness. The good news here is that according to new research, many of the vaccines, including the Pfizer-BioNTech vaccine and the Johnson & Johnson vaccine, provoke an immune response against this strain in lab studies, though data from real world outcomes is still pending. ... "