The mosquito carrying the malaria parasite has practically disappeared from many villages without organized mosquito control, but it is not known whether malaria is truly being eradicated or just in a lull before returning with renewed vigor, ... Drop in malaria in Africa raises questions
2011年8月25日星期四
Drop in malaria in Africa raises questions
The mosquito carrying the malaria parasite has practically disappeared from many villages without organized mosquito control, but it is not known whether malaria is truly being eradicated or just in a lull before returning with renewed vigor, ... Drop in malaria in Africa raises questions
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