UPSC Prelims 2017 – Question 31

Q31. Consider the following statements:

1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue
2. Sexual transmission of Zika virus disease is possible.

Which of the statements given above is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2

The correct answer is Both 1 and 2. 

• Zika Virus: 

• Zika virus disease is transmitted in tropical regions by the same mosquito (Aedes species mosquito) that transmits dengue.  
• Aedes species mosquitos also spread chikungunya viruses. Hence, statement 1 is correct. 
• Zika virus disease is transmitted through bites, but it can also be transmitted through intrauterine infection.  
• Sexual transmission of Zika virus disease is possible even if the infected person is asymptomatic at the time. Hence, statement 2 is correct. 
• It was discovered in 1947 in Zika Forest, Uganda. 
• There is currently no specific treatment or vaccine for Zika. 

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