-Down to Earth Why did we grant Pfizer's claim on a pneumonia vaccine which has been rejected elsewhere? In august, the medical and public health fraternity was stunned when India’s Patent Office granted US pharma giant Pfizer’s claim on its vaccine against pneumonia, the pneumococcal conjugate vaccine (PCV), marketed as Prevnar13. For a country that has stricter patentability criteria than most others, India’s decision was baffling because Pfizer’s patent has been rejected...

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