Zika virus is transmitted through
**Core Concept**
The Zika virus is a **flavivirus** that is primarily transmitted through the bite of an infected **Aedes** mosquito. This mode of transmission is similar to other flaviviruses such as dengue and yellow fever. The virus can also be transmitted through other means.
**Why the Correct Answer is Right**
Although the specific correct answer choice is not provided, Zika virus transmission is known to occur mainly through the bite of an infected **Aedes aegypti** or **Aedes albopictus** mosquito. Vertical transmission from mother to fetus during pregnancy is another recognized mode of transmission.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of Option A, it's challenging to provide a precise explanation for its incorrectness.
**Option B:** Similarly, without knowing what Option B entails, its incorrectness cannot be directly addressed.
**Option C:** If Option C suggested a mode of transmission not supported by evidence, such as through casual contact, it would be incorrect.
**Option D:** If Option D proposed an unrealistic or unproven mode of Zika transmission, it would not be a valid choice.
**Clinical Pearl / High-Yield Fact**
A critical point to remember is that Zika virus infection during pregnancy can lead to **congenital Zika syndrome**, which includes severe birth defects such as **microcephaly**. This highlights the importance of preventive measures against mosquito bites for pregnant women.
**Correct Answer:** Correct Answer: D. Mosquito bite.