2679
However , the malaria vectors Anopheles funestus and An . gambiae have both become more abundant during the 1970s and 1980s and sporozoite - positive specimens of both have been found .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None