source: [lemma=malaria] [□]
destination: [lemma=malaria] [□=□]
spec: Similarly , incorporating a request-specific element such as the Etag value for a resource limits the use of the nonce to that version of the resource and also defeats pipelining . Vector-borne diseases , like malaria , dengue , West Nile , and Rift Valley Fever are major public health problems in cities throughout the world . It was an experience which was all the more valuable in that it enabled the Church to consolidate herself and to grow and spread . Work on Rio Salado began last June , and what a difference eleven months make . They were not yet on a seven-nights-a-week schedule while I was in town ; they were open only Friday , Saturday , and Sunday , so I did not get to see a show there . Of course a more obvious point of contact between the d e mos and the Peisistratids for my purposes is in the origins of tragedy itself . Don ' t ever lose sight of that . She had excellent tutors , who were astonished at her remarkable talents and genius . While this technique is still considered the " gold standard " for diagnosing malaria , it lacks the sensitivity to detect low-level chronic infections . Malaria , cryptosporidiosis , African and American trypanosomiasis and leishmaniasis threaten human beings , both for the high mortality rates involved and the economic loss resulting from morbidity . The presence of malaria , as that of most other endemic tropical diseases , is directly related to the precarious living conditions of people in developing countries , but is also a cause that hinders growth and development , " In Africa today , malaria is understood to be both a disease of poverty and a cause of poverty . There are four types of malaria which affects humans : Plasmodium vivax , P. malariae , P. ovale and P. falciparum . Using tiny amounts of DDT in the home has proven effective at preventing malaria , but rich countries wo n't fund DDT programs because of lingering fears of the chemical .