Pneumonia exposure to cigarettes or air pollution, malnutrition, and poverty. The use of acid-suppressing medications — such as proton-pump inhibitors or H2 blockers — is associated with an increased risk of pneumonia. Approximately 10% of people who require mechanical ventilation develop ventilator associated pneumonia, and people with gastric feeding tube have an increased risk of developing of aspiration pneumonia. For people with specific variants of FER gene, the risk of death is reduced in sepsis caused by pneumonia. However, for those with TLR6 variants, the risk of getting Legionnaires' disease is increased. Bacteria are the most-common cause of community-acquired pneumonia (CAP),
Timeline of the SARS outbreak On the flight, he fell ill and upon arrival in Bangkok told an awaiting friend not to touch him and to call an ambulance to take him to a hospital. He was isolated in an intensive care unit. A similar outbreak of a mysterious respiratory disease was reported among healthcare workers in Hong Kong. On March 12, WHO issued a global alert about a new infectious disease of unknown origin in both Vietnam and Hong Kong. On March 15, WHO issued a heightened global health alert about mysterious pneumonia with a case definition of SARS as after cases in Singapore