Chikungunya is caused bu chikungunya virus. This virus and disease were primarily confined to African countries transmitted to humans by a mosquito called Aedes aegypti.
There was amino acid change due to mutation in viral glycoprotein which made it possible to be spread a new mosquito species called A.albopictus.
Now it is Africa, Asia, Europe, and Australia. The virus has been located also in US though cases of chikungunya is not yet prevalent.
There was amino acid change due to mutation in viral glycoprotein which made it possible to be spread a new mosquito species called A.albopictus.
Now it is Africa, Asia, Europe, and Australia. The virus has been located also in US though cases of chikungunya is not yet prevalent.
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