A sea captain, ship's captain, captain, master, or shipmaster, is a high-grade licensed mariner in ultimate command of the merchant vessel. The captain is responsible for its safe and efficient operation, including: ship's seaworthiness, ship's safety and security conditions, cargo operations, navigation, crew management and ensuring that the vessel complies with local and international laws, as well as company and flag state policies. All persons on board, particularly during navigation, includ
1 âPrevalenceâ is the proportion of a population who have (or had) a specific characteristic in a given time period â in medicine, typically an illness, a condition, or a risk factor such as depression or smoking.
Rheumatoid arthritis (RA) is a common disease with a worldwide prevalence of approximately 1% with an annual incidence of about 3/10,000 adults. It is two to three times more common in women.1 Its prevalence varies between different countries.heumatoid arthritis (RA) is a common disease with a worldwide prevalence of approximately 1% with an annual incidence of about 3/10,000 adults. It is two to three times more common in women.1 Its prevalence varies between different countries.