Explanation:

Correct: "Water Credit" uses microfinancing as a tool to help individuals and communities access clean water and sanitation solutions. It bridges the gap between the financial institutions and those who need loans to get access to water and sanitation.

Incorrect: "Water Credit" was not launched under the aegis of the World Health Organization and the World Bank. Instead, it is an initiative by Water.org, a non-profit organization.

Correct: The initiative's primary aim is to empower people to access affordable financing, enabling them to address their water needs and sanitation challenges without relying on subsidies. The goal is to make households self-reliant in accessing clean water and sanitation.