Legionnaires' disease fever experience fever and muscle aches without pneumonia. They generally recover in 2-5 days without treatment. For Pontiac fever, the time between exposure and symptoms is generally a few hours to 2 days. Over 90% of cases of Legionnaires' disease are caused by "Legionella pneumophila." Other types include "L. longbeachae", "L. feeleii", "L. micdadei", and "L. anisa". Legionnaires' disease is usually spread by the breathing in of aerosolized water and/or soil contaminated with the "Legionella" bacteria. Experts have stated that Legionnaires' disease is not transmitted from person to person. In 2014, one case of possible spread from someone sick to
Water scarcity in Africa according to the World Health Organization, contributes to the spread of waterborne diseases including typhoid fever, cholera, dysentery and diarrhea, and to the spread of diseases such as malaria whose vectors rely on such water resources, and can lead to diseases such as trachoma, plague, and typhus. Additionally, water scarcity causes many people to store water within the household, which increases the risk of household water contamination and incidents of malaria and dengue fever spread by mosquitoes. These waterborne diseases are not usually found in developed countries because of sophisticated water treatment systems that filter and chlorinate water, but for