Zika virus is transmitted to people through the bite of an infected mosquito from the Aedes genus, mainly Aedes aegypti in tropical regions. This is the same mosquito that transmits dengue, chikungunya and yellow fever. However, sexual transmission of Zika virus has is also possible. Other modes of transmission such as blood transfusion and perinatal transmission are currently being investigated. More than two billion people live in parts of the world where the Zika virus can spread, detailed maps published in the journal Life show. .
Signs and Symptoms: The incubation period (the time from exposure to symptoms) of Zika virus disease is not clear, but is likely to be a few days. The symptoms are similar to other arbovirus infections such as dengue, and include fever, skin rashes, conjunctivitis, muscle and joint pain, malaise, and headache. These symptoms are usually mild and last for 2-7 days. Although a causal link between Zika infection in pregnancy and
microcephaly has not – and I must emphasise – has not been established,
the circumstantial evidence is suggestive and extremely worrisome,” Chan
said. “An increased occurrence of neurological symptoms, noted in some
countries coincident with arrival of the virus, adds to the concern.”
Zika is transmitted by the Aedes aegypti mosquito, which is also
known to carry the dengue, yellow fever and Chikungunya viruses.
Thursday, April 21, 2016
8:17 PM
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