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 formula to calculate the area of a circle is A = πr², where A is the area and r is the radius of the circle.

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The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius of the circle.

Bahadur Shah II, the last Mughal emperor, led the Indian rebellion of 1857, also known as the Sepoy Mutiny or India's First War of Independence.

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Bahadur Shah II, the last Mughal emperor, led the Indian rebellion of 1857, also known as the Sepoy Mutiny or India's First War of Independence.

The Present Perfect tense is used to describe an action that started in the past and continues up to the present moment, or an action that happened at an unspecified time in the past and has a connection to the present.

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The Present Perfect tense is used to describe an action that started in the past and continues up to the present moment, or an action that happened at an unspecified time in the past and has a connection to the present.

The Shore Temple is a complex of temples and shrines that overlooks the shore of the Bay of Bengal. It is located in Mahabalipuram, about 60 kilometres (37 mi) south of Chennai in Tamil Nadu, India.

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The Shore Temple is a complex of temples and shrines that overlooks the shore of the Bay of Bengal. It is located in Mahabalipuram, about 60 kilometres (37 mi) south of Chennai in Tamil Nadu, India.

Suryya Kumar Bhuyan was a renowned Assamese historian and scholar who wrote the "Buranjis", a comprehensive history of Assam. He was a pioneer in the field of Assamese historiography and his works are considered classics in the study of Assam's history and culture.

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Suryya Kumar Bhuyan was a renowned Assamese historian and scholar who wrote the "Buranjis", a comprehensive history of Assam. He was a pioneer in the field of Assamese historiography and his works are considered classics in the study of Assam's history and culture.

Morarji Desai was the 4th PM (1977-1979) of India. He was the second deputy prime minister of India. He was the first non-congress Indian Prime Minister. He is the only Indian who received the highest civilian awards from both India and Pakistan, the Bharat Ratna and Nishaan-e-Pakistan.

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Morarji Desai was the 4th PM (1977-1979) of India. He was the second deputy prime minister of India. He was the first non-congress Indian Prime Minister. He is the only Indian who received the highest civilian awards from both India and Pakistan, the Bharat Ratna and Nishaan-e-Pakistan.

Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This process supports life on Earth and is a critical part of the Earth's energy balance.

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Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This process supports life on Earth and is a critical part of the Earth's energy balance.

Godaan is a famous Hindi novel by Munshi Premchand. It was first published in 1936 and is considered one of the greatest Hindi novels of modern Indian literature.

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Godaan is a famous Hindi novel by Munshi Premchand. It was first published in 1936 and is considered one of the greatest Hindi novels of modern Indian literature.

The capital and largest city is Muscat. Muscat, Oman’s port capital, sits on the Gulf of Oman surrounded by mountains and desert.

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The capital and largest city is Muscat. Muscat, Oman’s port capital, sits on the Gulf of Oman surrounded by mountains and desert.

An erratic is a rock that has been transported by a glacier and deposited in a new location, often far from its original source. Erratics can provide valuable information about the geological history of an area.

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An erratic is a rock that has been transported by a glacier and deposited in a new location, often far from its original source. Erratics can provide valuable information about the geological history of an area.