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A patch test relies on the principle of a type IV hypersensitivity reaction.. The first step in becoming allergic is sensitization. When skin is exposed to an allergen, the antigen-presenting cells (APCs) – also known as Langerhans cell or Dermal Dendritic Cell – phagocytize the substance, break it down to smaller components and present them on their surface bound major histocompatibility ...
In 1915, the Public Welfare Board (PWB) was created and tasked with studying, coordinating and regulating all government and private entities engaged in social services. In 1921, the PWB was abolished and replaced by the Bureau of Public Welfare under the Department of Public Instruction.
Patch test: applying a patch to the skin, where the patch contains the allergen; If an immuno-response is seen in the form of a rash, urticaria , or anaphylaxis it can be concluded that the patient has a hypersensitivity (or allergy) to that allergen. Further testing can be done to identify the particular allergen. [citation needed]
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The government of the Philippines (Filipino: Pamahalaan ng Pilipinas) has three interdependent branches: the legislative, executive, and judicial branches.The Philippines is governed as a unitary state under a presidential representative and democratic constitutional republic in which the president functions as both the head of state and the head of government of the country within a pluriform ...
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When the Japanese occupied the Philippines, they dissolved the National Government and replaced it with the Central Administrative Organization of the Japanese Army. Health was relegated to the Department of Education, Health and Public Welfare under Commissioner Claro M. Recto. In 1944, President Manuel Roxas signed Executive Order (E.O.) No ...
The Expanded Program on Immunization (EPI) in the Philippines began in 1976 [1] through Presidential Decree No. 996 signed by President Ferdinand Marcos. [2] And, in 1986, made a response to the Universal Child Immunization goal. The four major strategies include: [3]