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Despite the high morbidity and mortality rates that resulted from the epidemic, the Spanish flu began to fade from public awareness over the decades until the arrival of news about bird flu and other pandemics in the 1990s and 2000s. [320] [321] This has led some historians to label the Spanish flu a "forgotten pandemic". [177]
The virus, which causes Middle East respiratory syndrome (MERS), is a novel coronavirus that was first identified in a patient from Jeddah, Saudi Arabia on 6 June 2012. Sporadic cases, small clusters, and large outbreaks have been reported in 24 countries, with over 2,600 cases of the virus and over 900 deaths, as of 2021.
Fever and symptoms of respiratory illness (not necessarily pneumonia; e.g., cough, shortness of breath) and being in a healthcare facility (as a patient, worker, or visitor) within 14 days before symptom onset in a country or territory in or near the Arabian Peninsula in which recent healthcare-associated cases of MERS have been identified.
The CFR for the Spanish (1918) flu was greater than 2.5%, while the Asian (1957-58) and Hong Kong (1968-69) flus both had a CFR of about 0.2%. [ 11 ] [ 12 ] [ 13 ] As of 21 Jan 2025, coronavirus disease 2019 has an overall CFR of 0.91%, although the CFRs of earlier strains of COVID-19 was around 2%, the CFRs for original SARS and MERS are about ...
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Adults 65 years of age and older can have a weaker immune response to flu vaccines, making them more likely to get sick with the flu or get flu complications even when vaccinated, according to the ...
In the event of another pandemic, US military researchers have proposed reusing a treatment from the deadly pandemic of 1918 in order to blunt the effects of the flu: Some military doctors injected severely afflicted patients with blood or blood plasma from people who had recovered from the flu. Data collected during that time indicates that ...
Amid an ongoing outbreak of bird flu among poultry and dairy cows, the United States has recorded its first human death due the virus known as avian influenza A or H5N1. The Louisiana patient died ...