What are arbovirus diseases?
Arboviral disease is a general term used to describe infections caused by a group of viruses spread to people by the bite of infected arthropods (insects) such as mosquitoes and ticks. These infections usually occur during warm weather months, when mosquitoes and ticks are active.
What are the primary arboviral clinical disease syndromes?
For the purposes of surveillance and reporting, based on their clinical presentation, arboviral disease cases are often categorized into two primary groups: neuroinvasive disease and non-neuroinvasive disease.
What causes arbovirus?
It is often caused by a viral infection. Arboviruses can cause encephalitis. Arboviruses are passed on to people and animals by insects. In rural areas, mosquitoes and ticks are the most common carriers.
What is a non-neuroinvasive disease?
Non-neuroinvasive disease: An illness characterized by all of the following: • Fever (chills) as reported by the patient or a health care provider, • And absence of neuroinvasive disease, • And absence of a more likely diagnosis. Not a case: A person with a more likely diagnosis.
What vectors commonly carry arboviruses?
The most common insect that spreads arboviruses is the mosquito. However, other arthropods such as ticks, fleas, and gnats can also spread these diseases if they bite a human. While insect bites are the most common way arboviruses are transmitted, the viruses can also spread through: blood transfusion.
Are arboviruses contagious?
Most arboviruses aren’t transmitted from person to person, usually making humans dead-end hosts. A few exceptions are dengue fever and yellow fever, which can be transmitted from person to person through insect bites.
Is dengue an arbovirus?
Arbovirus is an informal name for any virus that is transmitted by arthropod vectors….Signs and symptoms.
| Arbovirus | Dengue virus |
|---|---|
| Disease(s) | Dengue fever |
| Symptoms | Asymptomatic in most cases; fever, headache, rash, muscle, and joint pains |
| Complications | Shock, internal bleeding, and organ damage |
| Primary host(s) | Humans |
What type of virus is arbovirus?
Arbovirus is an informal name for any virus that is transmitted by arthropod vectors. The term arbovirus is a portmanteau word (arthropod-borne virus). Tibovirus (tick-borne virus) is sometimes used to more specifically describe viruses transmitted by ticks, a superorder within the arthropods.
Which viruses are arboviruses?
Examples include California encephalitis, Chikungunya, dengue, Eastern equine encephalitis, Powassan, St. Louis encephalitis, West Nile, Yellow Fever, and Zika.