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Washington — Dr. Scott Gottlieb, the former head of the Food and Drug Administration, said COVID-19 vaccines still provide strong protection against serious disease and death, even as new research shows vaccinated individuals can spread the worrying Delta variant. Gottlieb
The Delta variant of Covid-19 has now been detected in 124 territories worldwide, the World Health Organization (WHO) says. It is expected to become the dominant variant globally in the coming months, with the WHO predicting that there could be