What recommendation helps clients avoid exposure to the Zika virus?

Avoiding areas with active mosquito transmission is a crucial recommendation for clients looking to prevent exposure to the Zika virus. This approach is effective because Zika virus is primarily transmitted through the bite of infected Aedes mosquitoes, which are more abundant in certain geographic regions. By steering clear of areas where the virus is actively circulating, individuals can significantly reduce their risk of being bitten and subsequently contracting the virus.

Additionally, areas with reported Zika cases often have specific seasonal patterns or outbreaks that can be monitored. Pregnant women are especially advised to avoid these regions due to the risk of severe birth defects associated with Zika infection during pregnancy.

In contrast, while sleeping under mosquito nets can be beneficial in reducing overall mosquito bites, this protective measure alone may not be sufficient if someone is within an area where the virus is actively being transmitted. Similarly, there is currently no vaccine available for Zika, making the vaccination option incorrect. Lastly, there are specific ways to manage exposure if one has an infected spouse, making the option that suggests no protection misleading. Thus, focusing on avoiding areas with active transmission stands out as the most effective recommendation for preventing exposure to the Zika virus.