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Pfizer

Pfizer
Overview
Pfizer is an American multinational pharmaceutical company and it is one of the world’s largest pharmaceutical companies. Its total revenue by the end of 2020 is $47.644.  Also, was ranked at 64th position on the list of 2020 Fortune 500 U.S. corporations.

Essential Pfizer products include a pneumococcal conjugate vaccine, trademarked Prevnar 13. This, alongside Pneumosil, produced by the Serum Institute of India, and Synflorix, made by GlaxoSmithKline, is employed for the prevention of invasive pneumococcal infections.

The introduction of the first, 7-valent version of the vaccine, developed by Wyeth in February 2000. This later led to a 75% reduction in invasive pneumococcal infections among children under age five within us. Pfizer acquired Wyeth in 2009 and introduced an improved version of the vaccine in 2010 that it had been granted a patent in India in 2017.

Prevnar 13 provides coverage of 13 bacterial variants, expanding beyond the first 7-valent version. As of 2012, the speed of invasive infections among children under age five had reduced by a further 50%. Prevnar 13 is Pfizer's most sold product and, therefore, the best-selling vaccine globally, with annual sales of $5.8 billion in 2020.

Pfizer's research and development activities organized into two principal groups: the PharmaTherapeutics Research & Development Group, which focuses on the invention of small molecules and related modalities; and therefore, the BioTherapeutics Devenelopmt & Research Group, which focuses on large-molecule research, including vaccines. In 2007, Pfizer invested $8.1 billion in research and development, the most important R&D investment within the pharmaceutical industry.

Pfizer was a constituent of the Dow Jones Industrial Average from 2004 to 2020, when announced that the corporate would get replaced by Amgen within the Dow Jones. The change took effect at the start of trading on August 31, 2020.

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