A human right is a right, which you have by virtue of your humanity and inherent dignity rather than by virtue of law.
Health is in a category of rights known as social, economic and cultural rights.
It is linked to the right to life, which is probably the most fundamental of rights. To be denied life because of lack of medicine or health care is a violation of your rights. A state has a duty to ensure that you the citizens enjoy the highest standards of physical and mental health. It must ensure the control and prevention of epidemic diseases like Cholera and endemic diseases like Malaria. It must also provide clinics and medical care in general as well as industrial and environmental health.