Which of the following scientists is credited with the development of the first successful polio vaccine? [#1300]

Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

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Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

The Statue of Liberty is located on Liberty Island in New York Harbor, New York City. The 305-foot (93-meter) statue is a gift from the people of France to the United States. It was designed by French sculptor Frédéric Auguste Bartholdi and built by Gustave Eiffel, and dedicated on October 28, 1886.

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The Statue of Liberty is located on Liberty Island in New York Harbor, New York City. The 305-foot (93-meter) statue is a gift from the people of France to the United States. It was designed by French sculptor Frédéric Auguste Bartholdi and built by Gustave Eiffel, and dedicated on October 28, 1886.

The Inca Empire built an extensive road network that connected their vast territory, stretching from modern-day Colombia to Chile.

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The Inca Empire built an extensive road network that connected their vast territory, stretching from modern-day Colombia to Chile.

Ambikagiri Raichoudhury, affectionately called the "Lion of Assam", was a prominent Assamese freedom fighter and poet who played a significant role in the Indian independence movement, particularly in the Quit India Movement. He was a powerful orator and a key figure in mobilizing support for the movement in Assam.

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Ambikagiri Raichoudhury, affectionately called the "Lion of Assam", was a prominent Assamese freedom fighter and poet who played a significant role in the Indian independence movement, particularly in the Quit India Movement. He was a powerful orator and a key figure in mobilizing support for the movement in Assam.

EOS-01, or Earth Observation Satellite-01, is an all-weather satellite built by the Indian Space Research Organisation (ISRO) for Earth imaging. It was launched on November 7, 2020, from the SHAR Centre in Sriharikota, India, and has a mission life of two years. The satellite is intended for use in agriculture, forestry, and disaster management.

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EOS-01, or Earth Observation Satellite-01, is an all-weather satellite built by the Indian Space Research Organisation (ISRO) for Earth imaging. It was launched on November 7, 2020, from the SHAR Centre in Sriharikota, India, and has a mission life of two years. The satellite is intended for use in agriculture, forestry, and disaster management.

Jupiter is the largest of all the planets in terms of both mass and size. It has a diameter of approximately 142,984 kilometers (88,846 miles).

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Jupiter is the largest of all the planets in terms of both mass and size. It has a diameter of approximately 142,984 kilometers (88,846 miles).

Interrogative sentences are used to ask questions or seek information, and typically begin with a question word like "who", "what", "where", "when", or "how".

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Interrogative sentences are used to ask questions or seek information, and typically begin with a question word like "who", "what", "where", "when", or "how".

Lal Bahadur Shastri International Airport is an international airport serving Varanasi, Uttar Pradesh, India. It is located at Babatpur, 26 km northwest of Varanasi. Formerly known as Varanasi Airport, it was officially renamed after Lal Bahadur Shastri, the 2nd Prime Minister of India, in October 2005.

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Lal Bahadur Shastri International Airport is an international airport serving Varanasi, Uttar Pradesh, India. It is located at Babatpur, 26 km northwest of Varanasi. Formerly known as Varanasi Airport, it was officially renamed after Lal Bahadur Shastri, the 2nd Prime Minister of India, in October 2005.

The United Nations Sustainable Development Solutions Network (UNSDSN) publishes the World Happiness Report (WHR) annually in partnership with Gallup, the Oxford Wellbeing Research Centre, and the WHR's Editorial Board. The report was launched in 2012 to support the UN's sustainable development goals.

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The United Nations Sustainable Development Solutions Network (UNSDSN) publishes the World Happiness Report (WHR) annually in partnership with Gallup, the Oxford Wellbeing Research Centre, and the WHR's Editorial Board. The report was launched in 2012 to support the UN's sustainable development goals.

Fossils are the preserved remains or traces of ancient plants, animals, and microorganisms. They provide valuable information about the history of life on Earth, including evolution, extinction, and environmental changes.

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Fossils are the preserved remains or traces of ancient plants, animals, and microorganisms. They provide valuable information about the history of life on Earth, including evolution, extinction, and environmental changes.

Socrates is renowned for his method of questioning, which probed assumptions and encouraged critical thinking. His famous statement "I know that I know nothing" reflects his humility and recognition of the limits of human knowledge.

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Socrates is renowned for his method of questioning, which probed assumptions and encouraged critical thinking. His famous statement "I know that I know nothing" reflects his humility and recognition of the limits of human knowledge.