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US influenza statistics by flu season. From the Centers for Disease Control and Prevention page called "Disease Burden of Flu": "Each year CDC estimates the burden of influenza in the U.S. CDC uses modeling to estimate the number of flu illnesses, medical visits, hospitalizations, and deaths related to flu that occurred in a given season.
A 2009 study in Influenza and Other Respiratory Viruses based on data from fourteen European countries estimated a total of 2.64 million excess deaths in Europe attributable to the Spanish flu during the major 1918–1919 phase of the pandemic, in line with the three prior studies from 1991, 2002, and 2006 that calculated a European death toll ...
Epidemics and pandemics with at least 1 million deaths Rank Epidemics/pandemics Disease Death toll Percentage of population lost Years Location 1 1918 Flu: Influenza A/H1N1: 17–100 million 1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549
H5N1 influenza virus is a type of influenza A virus which mostly infects birds. H5N1 flu is a concern because its global spread may constitute a pandemic threat. The yardstick for human mortality from H5N1 is the case-fatality rate (CFR); the ratio of the number of confirmed human deaths resulting from infection of H5N1 to the number of those confirmed cases of infection with the virus.
The CDC estimates there have been at least 24 million illnesses, 310,000 hospitalizations and 13,000 deaths from the flu so far this season, which started Oct. 1. Nearly 60 of those who died were ...
This huge death toll was caused by an extremely high infection rate of up to 50% and the extreme severity of the symptoms, suspected to be caused by cytokine storms. [63] Indeed, symptoms in 1918 were so unusual that initially influenza was misdiagnosed as dengue, cholera, or typhoid. One observer wrote, "One of the most striking of the ...
During the 2023-2024 season, there were 200 pediatric deaths related to flu — breaking the previous record high of 199 deaths during the 2019-2020 season. What you can do about it
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 ...