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Q:

निम्नलिखित में से किसने 1885 में हैजा का टीका विकसित किया था?

  • 1
    एडवर्ड जेनर
  • 2
    जैमे फेरान
  • 3
    जोनास साल्क
  • 4
    लियोन कैलमेट
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Answer : 2. "जैमे फेरान"
Explanation :

1. The credit for developing the cholera vaccine in 1885 goes to Spanish-French bacteriologist and hygienist Jaime Ferrán.

2. He tested a live attenuated bacterial vaccine during a cholera epidemic in Valencia.

3. Jaime Ferrán's vaccine successfully protected people from cholera and began to be used in vaccination programs around the world.

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