Which is the correct spelling ?
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Vaccination
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Vacination
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Vacciniation
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Vaciniation
A
Correct answer
Explanation
Vaccination requires double 'c' followed by single 'i' and the standard '-tion' ending. From 'vaccine', add '-ation' while preserving the double 'c'. Option B misses a 'c', option C incorrectly adds an extra 'i', and option D makes both errors. This is a crucial medical term.