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The mortality rate of chikungunya is slightly less than 1 in 1000. [53] Those over the age of 65, neonates, and those with underlying chronic medical problems are most likely to have severe complications. [ 27 ]
Outbreaks of chikungunya, on average, have low mortality rates. [2] As it is generally a nonfatal disease, prevalence rates during most outbreaks are higher than incidence rates. [6] Recently, it was discovered that approximately 39% of the worldwide population resides in environments where the chikungunya virus is endemic. [7]
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.
Health experts consider it to be an emerging threat to global health made worse by climate change, with at least 5 million cases in the past 15 years, although deaths and severe illness are rare ...
Because of the high mortality rate, EEE and WEE are regarded as two of the most serious mosquito-borne diseases in the United States. Symptoms range from mild flu-like illness to encephalitis, coma, and death. [11] Viruses carried by arthropods such as mosquitoes or ticks are known collectively as arboviruses. West Nile virus was accidentally ...
The FDA's decision is based on late-stage trials, which showed the vaccine was able to induce antibody levels that could neutralize the chikungunya virus in 98.9% of participants for 28 days post ...
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The virus was first isolated in 1953, and likely first arose during the 1700s. [5] [6] Chikungunya is characterized by a sudden high fever and intense joint pain, between four and seven days after infection. [4] [7] It can also cause headaches, muscle pain, fatigue, and rashes. [8] Most infected patients recover within 10 days, and deaths are rare.