15862
Important challenges such as the fragility of many health systems , the rise of insecticide and drug resistance , and particularly the expected decline both in funding and in the coverage of key interventions if they are not replaced as needed , urgently need to be addressed .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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