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Pfizer Says a Third Dose of Its COVID-19 Vaccine Will ‘Strongly’ Protect Against Delta Variant

The pharmaceutical released its internal data on its website ahead of a company earnings call.

Pharmaceutical company Pfizer released data on its website on Wednesday in support of a third dose to “strongly” boost antibody defense against the Delta variant. The data was released ahead of a company earnings call and reported by CNN. According to Pfizer, the “estimated potential for up to 100-fold increase in Delta neutralization post-dose three compared to pre-dose three.” The boost figures vary slightly between age groups with those between 18 and 55 likely to enjoy a five-fold increase in protection, while those between 65 and 85 could expect an 11-fold boost. Pfizer’s internal data has not been peer-reviewed.