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.

Myanmar is formerly known as Burma, and its official currency is called the Myanmar Kyat (MMK). The kyat was initially derived from the ancient Burmese unit of measurement known as the kyattha, which was equivalent to 16.3 grammes of silver. One kyat is equal to one hundred pyas (also written as pyat).

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Myanmar is formerly known as Burma, and its official currency is called the Myanmar Kyat (MMK). The kyat was initially derived from the ancient Burmese unit of measurement known as the kyattha, which was equivalent to 16.3 grammes of silver. One kyat is equal to one hundred pyas (also written as pyat).

In geometry, a vertex (plural: vertices) is the point where two or more lines, rays, or edges meet, like the corner of a triangle or the point where two streets intersect.

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In geometry, a vertex (plural: vertices) is the point where two or more lines, rays, or edges meet, like the corner of a triangle or the point where two streets intersect.

Kanai-Boroxiboa is an archaeological site in Assam that is famous for its ancient stone sculptures and inscriptions. It is believed to be the ancient capital of the Salasthambha Kingdom and dates back to the 4th century AD.

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Kanai-Boroxiboa is an archaeological site in Assam that is famous for its ancient stone sculptures and inscriptions. It is believed to be the ancient capital of the Salasthambha Kingdom and dates back to the 4th century AD.

National Highway 2 (NH2): NH2 runs from Delhi to Kolkata, intersecting NH1 at Delhi and passing through cities such as Agra, Kanpur, and Dhanbad.

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National Highway 2 (NH2): NH2 runs from Delhi to Kolkata, intersecting NH1 at Delhi and passing through cities such as Agra, Kanpur, and Dhanbad.

The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.

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The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.

The Great Pyramid of Giza, built for Pharaoh Khufu, is the oldest and only remaining ancient wonder still standing.

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The Great Pyramid of Giza, built for Pharaoh Khufu, is the oldest and only remaining ancient wonder still standing.

Ayurveda, an ancient Indian medical text, is considered the "Science of Life," offering insights into traditional Indian medicine and wellness.

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Ayurveda, an ancient Indian medical text, is considered the "Science of Life," offering insights into traditional Indian medicine and wellness.

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.

Bangalore is called the Garden City of India. This is because of Hyder Ali, the ruler of Mysore, liked the cool climate of Bangalore and so planned a garden that was named as Lalbagh.

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Bangalore is called the Garden City of India. This is because of Hyder Ali, the ruler of Mysore, liked the cool climate of Bangalore and so planned a garden that was named as Lalbagh.

The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands.

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The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands.