Which statement about health equity is true?
a. it only refers to differences in health across countries
b. it only refers to difference in health within countries it does not include justice issues
c. it is a multidimensional concept, that includes issues of fairness within and across countries

c.It is a multidimensional concept, that includes issues of fairness within and across countries  

Explanation:

Health equity -

According to health equity , very individual has the equal right to be healthy  , and there should not be any type of discrimination , is known as health equity .

In simple words -

Each individual has the right to be healthy , and should not be deprived of any health potential .

Hence , from the question , the correct statement for health equity is option , (c) .