In 2021, acute respiratory infection was the leading illness in the Ilocos region of the Philippines, with about * people diagnosed. This was followed by hypertension and acute lower respiratory tract infection.
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DOH (Philippines). (October 1, 2024). Leading illnesses in the Ilocos region of the Philippines in 2021, by number of cases (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 01, 2026, from /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/
DOH (Philippines). "Leading illnesses in the Ilocos region of the Philippines in 2021, by number of cases (in 1,000s)." Chart. October 1, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 01, 2026. /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/
DOH (Philippines). (2024). Leading illnesses in the Ilocos region of the Philippines in 2021, by number of cases (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 01, 2026. /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/
DOH (Philippines). "Leading Illnesses in The Ilocos Region of The Philippines in 2021, by Number of Cases (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Oct 2024, /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/
DOH (Philippines), Leading illnesses in the Ilocos region of the Philippines in 2021, by number of cases (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/ (last visited August 01, 2026)
Leading illnesses in the Ilocos region of the Philippines in 2021, by number of cases (in 1,000s) [Graph], DOH (Philippines), October 1, 2024. [Online]. Available: /statistics/1119047/philippines-leading-cause-morbidity-ilocos-region-by-disease/
