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Martínez López de Letona J. (2007). La historia natural de la enfermedad como fuente esencial para la formulación del pronóstico (PDF). Madrid: HM. ISBN 978-84-612-7199-3. Archived from the original (PDF) on 2013-08-18. Bhopal, R. (2008). Concepts of Epidemiology. Integrating the ideas, theories, principles and methods of epidemiology (2nd ...
The following is a list of WHO recommended strains for the Northern Hemisphere influenza season. Starting in the 2012–2013 season, the recommendation shifted to include the composition of a quadrivalent influenza vaccine (QIV) that contains both influenza B lineages, alongside a trivalent influenza vaccine (TIV) containing one influenza B lineage.
Influenza D virus has been isolated from pigs and cattle, the latter being the natural reservoir. Infection has also been observed in humans, horses, dromedary camels, and small ruminants such as goats and sheep. [23] [26] Influenza D virus is distantly related to influenza C virus. While cattle workers have occasionally tested positive to ...
2–3 million 1–1.6% of Russian population [14] 1918–1922 Russia: 13 Cocoliztli epidemic of 1576: Cocoliztli 2–2.5 million 50% of Mexican population [12] 1576–1580 Mexico 14 1772–1773 Persian Plague: Bubonic plague 2 million – 1772–1773 Persia: 15 735–737 Japanese smallpox epidemic: Smallpox 2 million 33% of Japanese population ...
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines. In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives ...
Influenza A viruses can occasionally be transmitted from wild birds to other species, causing outbreaks in domestic poultry, and may give rise to human influenza pandemics. [1] [2] The propagation of influenza viruses throughout the world is thought to be in part by bird migrations, though commercial shipments of live bird products might also ...
H5-2.3.4.4b can be prevented by vaccination in chickens. In China, The H5-Re14 (2.3.4.4b) strain used in updated vaccines since 2022 is a reasonably good match for the new virus. [11] In May 2024, Penn Medicine announced it had created a human avian flu vaccine on the same platform as its COVID-19 vaccine.
Between December 1988 and March 1989, 19 influenza H1N2 virus isolates were identified in 6 cities in China, but the virus did not spread further. [2]A(H1N2) was identified during the 2001–02 flu season (northern hemisphere) in Canada, the U.S., Ireland, Latvia, France, Romania, Oman, India, Malaysia, and Singapore with earliest documented outbreak of the virus occurring in India on May 31 ...