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Global Alert
Global alert is used as the global radio-communications network during times of international crises or threats to international security. Global Alerts are also issued by agencies such as the World Health Organization (WHO), when there is a perceived threat of an international pandemic, (global epidemic), such as the threat of a SARS, (Severe Acute Respiratory Syndrome), pandemic during March 2003, due to its high contagion level which was rapidly spread by travelers sharing international flights. The global alert released by the World Health Organization regarding the SARS outbreak and its rapid contagion saved many lives: The alert about the disease, precautionary measures, and preventive measures to be taken by individuals, including specific hygiene information needed to arrest the spread of SARS was communicated instantly throughout the world. Global Outbreak Alert & Response Network (GOARN) GOARN is a system of cooperating institutions and networks that are constantly r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Radio
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves. They can be received by other antennas connected to a radio receiver; this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control, remote sensing, and other applications. In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave by varying some aspect of the wave) in the transmitter. In radar, used to locate and track ob ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Telecommunications
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of transmission may be divided into communication channels for multiplexing, allowing for a single medium to transmit several concurrent Session (computer science), communication sessions. Long-distance technologies invented during the 20th and 21st centuries generally use electric power, and include the electrical telegraph, telegraph, telephone, television, and radio. Early telecommunication networks used metal wires as the medium for transmitting signals. These networks were used for telegraphy and telephony for many decades. In the first decade of the 20th century, a revolution in wireless communication began with breakthroughs including those made in radio communications by Guglielmo Marconi, who won the 1909 Nobel Prize in Physics. Othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Telecommunications Network
A telecommunications network is a group of Node (networking), nodes interconnected by telecommunications links that are used to exchange messages between the nodes. The links may use a variety of technologies based on the methodologies of circuit switching, message switching, or packet switching, to pass messages and signals. Multiple nodes may cooperate to pass the message from an originating node to the destination node, via multiple network hops. For this routing function, each node in the network is assigned a network address for identification and locating it on the network. The collection of addresses in the network is called the address space of the network. Examples of telecommunications networks include computer networks, the Internet, the public switched telephone network (PSTN), the global Telex network, the aeronautical ACARS network, and the wireless radio networks of cell phone telecommunication providers. Network structure this is the structure of network genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
World Health Organization
The World Health Organization (WHO) is a list of specialized agencies of the United Nations, specialized agency of the United Nations which coordinates responses to international public health issues and emergencies. It is headquartered in Geneva, Switzerland, and has 6 regional offices and 150 field offices worldwide. Only sovereign states are eligible to join, and it is the largest intergovernmental health organization at the international level. The WHO's purpose is to achieve the highest possible level of health for all the world's people, defining health as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." The main functions of the World Health Organization include promoting the control of epidemic and endemic diseases; providing and improving the teaching and training in public health, the medical treatment of disease, and related matters; and promoting the establishment of international standards for biologic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Pandemic
A pandemic ( ) is an epidemic of an infectious disease that has a sudden increase in cases and spreads across a large region, for instance multiple continents or worldwide, affecting a substantial number of individuals. Widespread endemic (epidemiology), endemic diseases with a stable number of infected individuals such as recurrences of seasonal influenza are generally excluded as they occur simultaneously in large regions of the globe rather than being spread worldwide. Throughout human history, there have been a number of pandemics of diseases such as smallpox. The Black Death, caused by the Plague (disease), Plague, caused the deaths of up to half of the population of Europe in the 14th century. The term ''pandemic'' had not been used then, but was used for later epidemics, including the 1918 Influenza A virus subtype H1N1, H1N1 influenza A pandemic—more commonly known as the Spanish flu—which is the Deadliest pandemics in history, deadliest pandemic in history. The mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Epidemic
An epidemic (from Greek ἐπί ''epi'' "upon or above" and δῆμος ''demos'' "people") is the rapid spread of disease to a large number of hosts in a given population within a short period of time. For example, in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. Epidemics of infectious disease are generally caused by several factors including a change in the ecology of the host population (e.g., increased stress or increase in the density of a vector species), a genetic change in the pathogen reservoir or the introduction of an emerging pathogen to a host population (by movement of pathogen or host). Generally, an epidemic occurs when host immunity to either an established pathogen or newly emerging novel pathogen is suddenly reduced below that found in the endemic equilibrium and the transmission threshold is exceeded. An epidemic may be restricted to one location; however, if it sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
SARS
Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak. In 2004, Xue Wu Zhang and Yee Leng Yap found that the Spike 2 (S2) protein of SARS is structurally similar to HIV-1 gp41 subunit, suggesting an analogous membrane fusion mechanism between the two. In the 2010s, Chinese scientists traced the virus through the intermediary of Asian palm civets to cave-dwelling horseshoe bats in Xiyang Yi Ethnic Township, Yunnan.The locality was referred to be "a cave in Kunming" in earlier sources because the Xiyang Yi Ethnic Township is administratively part of Kunming, though 70 km apart. Xiyang was identified on * For an earlier interview of the researchers about the locality of the caves, see: SARS was a relatively rare disease; at the end of the ep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
International Red Cross And Red Crescent Movement
The organized International Red Cross and Red Crescent Movement is a Humanitarianism, humanitarian movement with approximately 16million volunteering, volunteers, members, and staff worldwide. It was founded to protect human life and health, to ensure respect for all human beings, and to prevent and alleviate human suffering. History Foundation Until the middle of the nineteenth century, there were no organized or well-established army nursing systems for casualties, nor safe or protected institutions, to accommodate and treat those who were wounded on the battlefield. A devout Calvinism, Calvinist, the Swiss businessman Jean-Henri Dunant traveled to Italy to meet then-French emperor Napoleon III in June 1859 with the intention of discussing difficulties in conducting business in French Algeria, Algeria, which at that time was occupied by France. He arrived in the small town of Solferino on the evening of 24 June after the Battle of Solferino, an engagement in the Second Itali ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
UNICEF
UNICEF ( ), originally the United Nations International Children's Emergency Fund, officially United Nations Children's Fund since 1953, is an agency of the United Nations responsible for providing Humanitarianism, humanitarian and Development aid, developmental aid to children worldwide. The organization is one of the most widely known and visible social welfare entities globally, operating in 192 countries and territories. UNICEF's activities include providing immunizations and disease prevention, administering Antiretroviral drug, treatment for children and mothers with HIV, enhancing childhood and maternal nutrition, improving sanitation, promoting education, and providing emergency relief in response to disasters. UNICEF is the successor of the United Nations International Children's Emergency Fund, and was created on 11 December 1946, in New York, by the United Nations Relief and Rehabilitation Administration, U.N. Relief Rehabilitation Administration to provide immediate r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
United Nations High Commissioner For Refugees
The Office of the United Nations High Commissioner for Refugees (UNHCR) is a United Nations agency mandated to aid and protect refugees, forcibly displaced communities, and stateless people, and to assist in their voluntary repatriation, local integration or resettlement to a third country. It is headquartered in Geneva, Switzerland, and has 20,305 staff working in 136 countries as of December 2023. Background The office of High Commissioner for Refugees has existed since 1921, when it was created by the League of Nations with Norwegian scientist Fridtjof Nansen as its first occupant. The International Refugee Organization (IRO) was created in 1946 to address the refugee crisis that resulted from World War II. The United Nations established the Office of the United Nations High Commissioner for Refugees in 1950 as the successor of the IRO. The 1951 Refugee Convention established the scope and legal framework of the agency's work, which initially focused on Europeans ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
