The ‘Right to Health’ under Article 12

With reference to the ‘Right to Health’ under Article 12 of the International Covenant on Economic, Social and Cultural Rights (1966) [United Nations, Treaty Series, vol. 993, p. 3], outline and illustrate the meanings of, and differences between and across, the following three statements:
a) States have obligations to Respect the right to health.
b) States have obligations to Protect the right to health.
c) States have obligations to Fulfill the right to health.
https://www.ohchr.org/sites/default/files/Documents/Publications/Factsheet31.pdf