Are south african citizens vaccinated against yellow fever

It depends on the wealth and amount of accessible health care in their area. South Africa is pretty large and depending on where they live, they may or may not receive vaccines. A majority of South Africans can receive vaccines, so most of them are vaccinated against Yellow Fever.

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Mg is used to measure mass

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.