The World Leprosy Day 2019 will be observed on?

The World Leprosy Day 2019 will be observed on?

A. 25 January
B. 26 January
C. 27 January
D. 28 January

Every year, on the last Sunday of January, people around the world gather together (literally and figuratively) to recognise that leprosy still has an impact in many lives, to raise awareness of this preventable disease, to lobby for the human rights of the people it affects, and to counter ignorance and discriminatory attitudes.