The three VBDs were chosen because of links between the competence of the vectors and intermediate hosts and the associated pathogens involved and environmental change phenomena reported in the published literature, because of their significant human and animal health and economic effects in the study area, and owing to the close association with these diseases of members of the HEALTHY FUTURES consortium of researchers. In addition, the three diseases cover a range of different modes of transmission, although all will be impacted by changes in environmental conditions, with human behaviour a key component in determining the actual outcomes.
Magonjwa haya matatu yalichaguliwa kutokana na uhusiano ulioka kati ya vekta na vimelea na kutokana na maandishi mbalimbali yaliyochapishwa kuhusu uhusiano ulioko kati ya mabadiliko ya mazingira na athari za kiafya kwa binadamu,wanyama na uchumi zinazotokana na mabadiliko haya na pia kwa sababu ya ushirikiano wa karibu uliopo kati ya magonjwa haya na watafiti wa ubia wa Afya Bora ya Baadaye. Isitoshe, magonjwa haya matatu uambukizwa kwa njia tatu tofauti ijapo kuwa magonjwa yote matatu yataathariwa na mabadiliko ya hali ya mazingira, tabia ya binadamu ikiwa muhimu sana katika kuamua matokeo halisi.