Vaccination

Valneva launches trials of COVID-19 vaccine in UK

French-Austrian biotech firm Valneva said Wednesday it will begin clinical trials of its COVID-19 vaccine candidate in Britain, where the government has already ordered at least 60 million doses.

Neuroscience

Mosquito-borne viruses linked to stroke

A deadly combination of two mosquito-borne viruses may be a trigger for stroke, new research published in the The Lancet Neurology has found.

Diseases, Conditions, Syndromes

Gut bacteria protect against mosquito-borne viral illness

Chikungunya virus, once confined to the Eastern Hemisphere, has infected millions of people in the Americas since 2013, when mosquitoes carrying the virus were discovered in the Caribbean. About half of all people infected ...

Genetics

A protein essential for chikungunya virus replication identified

Originally from Africa, chikungunya is aptly named. It derives from a word in the Kimakonde language meaning "to become contorted," because the severe muscle and joint pains endured by the patients prevent them from moving ...

Diseases, Conditions, Syndromes

Ethiopia must do more to stop recurring chikungunya outbreaks

Ethiopia's second largest city, Dire Dawa, is dealing with a chikungunya fever outbreak. Around 20,000 cases of the mosquito-borne viral infection have been reported since the outbreak started in March 2019. This is the second ...

Diseases, Conditions, Syndromes

How chikungunya virus may cause chronic joint pain

A new method for permanently marking cells infected with chikungunya virus could reveal how the virus continues to cause joint pain for months to years after the initial infection, according to a study published August 29 ...

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Chikungunya

Chikungunya (in the Makonde language "that which bends up") virus (CHIKV) is an insect-borne virus, of the genus Alphavirus, that is transmitted to humans by virus-carrying Aedes mosquitoes. There have been recent breakouts of CHIKV associated with severe illness. CHIKV infection causes an illness with symptoms similar to dengue fever, with an acute febrile phase of the illness lasting only two to five days, followed by a prolonged arthralgic disease that affects the joints of the extremities. The pain associated with CHIKV infection of the joints persists for weeks or months, or in some cases years.

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