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Disease surveillance is an epidemiological practice by which the spread of disease is monitored in order to establish patterns of progression. The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as increase knowledge about which factors contribute to such circumstances.
A sentinel surveillance system is used to obtain data about a particular disease that cannot be obtained through a passive system such as summarizing standard public health reports. Data collected in a well-designed sentinel system can be used to signal trends, identify outbreaks and monitor disease burden, providing a rapid, economical ...
The disease is caused by the monkeypox virus, a zoonotic virus in the genus Orthopoxvirus. The variola virus, which causes smallpox, is also in this genus. [7] Human-to-human transmission can occur through direct contact with infected skin or body fluids, including sexual contact. [7]
Breakthrough infections have been identified in individuals immunized against a variety of diseases including mumps, varicella , influenza, and COVID-19. [2] [3] [4] The characteristics of the breakthrough infection are dependent on the virus itself. Often, infection of the vaccinated individual results in milder symptoms and shorter duration ...
Welcome to winter virus season. Cases of acute respiratory illness, Covid-19 and seasonal flu are increasing in most parts of the United States, according to the US Centers for Disease Control and ...
The fruit bat is believed to be the zoonotic agent responsible for the spillover of the Ebola virus. Spillover is a common event; in fact, more than two-thirds of human viruses are zoonotic . [ 4 ] [ 5 ] Most spillover events result in self-limited cases with no further human-to-human transmission, as occurs, for example, with rabies, anthrax ...
Dr Terrence Tumpey examines a reconstructed version of the Spanish flu virus at the CDC. An effort to recreate the Spanish flu strain (a strain of influenza A subtype H1N1) was a collaboration among the Armed Forces Institute of Pathology, the USDA ARS Southeast Poultry Research Laboratory, and Mount Sinai School of Medicine in New York
Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.