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Question 51 Verbal Ability 2022 Medium MCQ +4.00 marks · -1.00 negative

By 1798, Jenner had succeeded in demonstrating the protective quality of the cowpox virus against smallpox, by putting on record details of 23 cases, contracted either casually or by direct inoculation. Sixteen of these had occurred accidentally among dairy workers in the course…

'Local reaction' refers to

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