Pfizer is a global pharmaceutical company known for developing and producing medicines and vaccines. Founded in 1849, it has played a significant role in healthcare by creating treatments for various diseases, including cancer and heart conditions. One of its most notable achievements is the development of a vaccine for COVID-19, which has helped millions of people worldwide. The company is headquartered in New York City and operates in many countries, focusing on research and innovation. Pfizer collaborates with other organizations and governments to improve public health and ensure access to essential medications, making a positive impact on communities around the globe.