World health day is observed on?

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E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart B (pp 276-535 of 550) pp. 204-206, 221-223
Practise the full GMCH Chandigarh - 2019
Attempt every question from this paper in a timed mock, then review the full solution for each one.