What is Keystone Virus: Causes, Symptoms & Treatment

What Is Keystone Virus?

Mosquitoes are responsible for a huge number of illnesses and deaths every year. Malaria is the most infamous disease with 438,000 deaths in 2015. Originally, researchers discovered Keystone virus in 1964, but for many years there were only animal cases in raccoons, squirrels and deer. Then in 2018, researchers discovered the first human case in Keystone, Florida.

Zika virusfeveraedes atlanticus 

There is currently no treatment plan for Keystone virus because it is a very recent occurrence in humans. At this time, doctors treat the Keystone virus like other mosquito viruses. Even though there may not be a unique treatment plan, patients should seek medical attention if they notice an adverse reactions to a mosquito bite.

Symptoms of Keystone Virus


In the most recent case, the rash was the most noticeable sign of the Keystone virus. The rash started on his chest and spread to his stomach, arms, back and face. Although these symptoms seem mild, it was enough to spark doctors’ attention.



Brain Inflammation

Encephalitis is a condition characterized by inflammation in the brain, one of the more serious complications of the Keystone virus. In the case in Florida, the young boy did not show symptoms of inflammation. But the Keystone virus is a classified arbovirus, a group of viruses from mosquitoes, ticks or other arthropods that can cause inflammation in the brain.


Other Signs & Symptoms



Causes of Keystone Virus

aedes atlanticus 

Treatment for Keystone Virus

There is no specific treatment for the Keystone virus in humans. However, the patient will need medical treatment if they suffer from encephalitis. Encephalitis has a high mortality rate, between 10 and 30 percent, even with treatment. Inflammation puts an excess amount of pressure on the brain stem, which controls vital functions like blood circulation and breathing. It can be fatal if the brain cannot perform these functions.

Treatment aims to relieve the symptoms. For mild cases, the most important treatment is hydration, rest and medicine to reduce fever and headaches. Researchers have only tested a few antiviral medications for encephalitis, such as acyclovir. Corticosteroid medications may also help reduce inflammation in the brain. After that, the patient may require artificial respiration. If the patient has a seizure, the doctor administers anticonvulsant medications or sedatives. Sedatives may also help if the patient experiences mood changes such as restlessness or irritability.

Preventing Mosquito Bites

The best way to avoid Keystone Virus is to avoid mosquito bites. The Center for Disease Control and Prevention (CDC) outlines some key steps to take to prevent mosquito bites. The majority of the time, mosquito bites are a harmless annoyance, but some areas have a lot of mosquito activity or high rates of mosquito borne diseases.

Use Insect Repellent

Always use an EPA-registered insect repellent. It should contain at least one of these active ingredients: DEET, picaridin, IR3535, oil of lemon eucalyptus (OLE), para-menthane-diol (PMD) or 2-undecanone. Read the label for instructions on how often to reapply. Also, use products with permethrin. It is very effective for killing mosquitoes and other arthropods. Spray it on clothes, shoes, bed nets and camping gear, but do not spray it on the skin.

Cover Up

Especially in areas where mosquitoes are known to carry deadly viruses, make sure to cover the skin as much as possible. Wear long sleeves and long pants.

Keep Mosquitoes out of Homes & Hotel Rooms

Avoid bug bites altogether. When traveling, stay in hotels with air-conditioning. Do not rely on screens or open windows to cool off. Use a bed net if you cannot keep mosquitoes away from your home or hotel room.

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Supplements for Mosquito Bites & Infections

In addition to medical treatment or advice from a physician, patients can also use herbal supplements to help support immune health and treat infection. Some supplements may even help treat mosquito bites specifically. However, they are not a medical cure. Always consult a doctor before taking any supplements.


gymnemagymnema extract powder

Celery Seed

Celery seedparsleycelery seed extract powder


garlicgarlic extract powder

The Bottom Line

aedes atlanticus

Because the virus is so rare in humans, there is no specific treatment plan. Instead, doctors simply aim to address the symptoms, treating the rash, lowering the fever and trying to reduce swelling in the brain. Encephalitis has a very high mortality rate, even with treatment and it requires immediate medical attention. Symptoms of encephalitis include nausea, headache, confusion and even seizures or coma.

The best way to prevent Keystone virus or any other mosquito borne disease is to avoid exposure and bites. Take proper measures to protect yourself from mosquito bites by keeping them away from homes and hotel rooms, using insect repellent and covering the skin. Natural supplements may also help repel mosquitoes and help treat infections. But always consult a doctor before starting a supplement regimen. They are not an effective medical treatment on their own, but research proves that they may help improve overall health.

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