If the retrieval performance of each scoring function implemented is poor, then even if one combines the search results, the final outcome might still be poor.
Change is not automatically good, especially if poorly implemented and poor value for money.
Whereas the MDGs were billed as anti-poverty targets to be implemented by poorer countries and funded by wealthier states, all countries will be obliged to meet the SDGs by the anticipated 2030 deadline.
The necessary resources, infrastructure, and technological expertise, together with the need for repeated screenings at regular intervals, make cytologic screening difficult to implement in poor countries.
Oral vaccines seem to be more feasible to implement in poor countries, since they are relatively inexpensive, needle-free administrated, mostly stable at non-refrigerated conditions and painless.
But anthropologist João Biehl also tells why this policy, hailed as a model worldwide, has been so difficult to implement among poor Brazilians with HIV/AIDS, who are often stigmatized as noncompliant or untreatable, becoming invisible to the public.
These strategies, however, are expensive and are therefore difficult to implement in poor communities.
Challenges such as convincing the communities to send their children especially girls to school, lack of funds to implement activities, poor infrastructure and few partners on the ground are but a few issues that slow down peace initiatives.
To promote equitable access to child health services in resource-poor settings, programmes such as conditional cash transfers and community health insurance have been implemented to assist poor households in overcoming financial barriers to access care.
