Yellow fever is a a serious and potentially fatal transmissible illness. Spread primarily through the bite of infected mosquitoes, this disease affects individuals globally, particularly in tropical and subtropical areas. Manifestations can range from mild to severe, such as fever, headache, muscle aches, nausea, vomiting, and jaundice. In serious

Acne is a common skin condition/problem/issue that can affect people of all ages/teenagers mainly/everyone at some point. It occurs when hair follicles/pores/oil glands get clogged with/become blocked by/are filled with oil, dead skin cells and bacteria/sebum, dirt and bacteria/excess oil and debris. This causes/leads to/results in inflammation/re