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Chikungunya virus (CHIKV), is a member of the genus Alphavirus, and family Togaviridae. CHIKV features an icosahedral capsid surrounded by a lipid envelope, with a diameter ranging from 60 to 70 nm [24]. It was first isolated in 1953 in Tanzania and is an RNA virus with a positive-sense single-stranded genome of about 11.6kb. [25]
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]
The Deadliest Animal in the World, Gates Notes; These Are The Top 15 Deadliest Animals on Earth, Science Alert; Top 10 Deadliest Animals To Humans In The World, Toptenia; The 25 Most Dangerous Animals In The World, List 25; The Most Dangerous Animals in the World, Animal Danger; Top 10 Most Dangerous Animals In The World, Conservation Institute
Among them is Hutchinsonite, as inhaling its dust or ingesting bits of it can be fatal. The rock's composition includes 3 deadly minerals – arsenic, lead, and thallium. Number 1. Eating sushi ...
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.
The chikungunya virus is spread to people through the bite of an infected mosquito. The most common symptoms of infection are fever and joint pain. Other symptoms may include headache, muscle pain ...
The Most Dangerous Animal in the World exhibit at the Bronx Zoo (1963) The Most Dangerous Animal in the World was a 1963 exhibit at the Bronx Zoo in the Bronx, a borough of New York City. It featured a mirror and text describing the dangers humans pose to life on earth. In 1968 the exhibit was duplicated at Brookfield Zoo in Chicago.
Not included in the above table are many waves of deadly diseases brought by Europeans to the Americas and Caribbean. Western Hemisphere populations were ravaged mostly by smallpox, but also typhus, measles, influenza, bubonic plague, cholera, malaria, tuberculosis, mumps, yellow fever, and pertussis. The lack of written records in many places ...