Question

to the fact that the symptoms are similar to the symptoms of other diseases, such as dengue, many cases of zika may not have been properly diagnosed. in addition, zika symptoms are usually mild, and most people dont become seriously ill or need to be hospitalized. as a consequence, many people with zika may not even know they have the disease. there isnt a vaccine available to prevent zika virus disease, so the best method of prevention is protection against mosquito bites.
match causes with their effects.
zika symptoms are similar to those of other diseases.
there isnt a zika vaccine.
zika symptoms are mild.
cause
effect
many zika cases may have been misdiagnosed.
many people dont realize they are infected.
protection against mosquito bites is the best way to prevent zika infection.

Explanation:

• "Zika symptoms are similar to those of other diseases" leads to "Many Zika cases may have been misdiagnosed" as similar symptoms can cause confusion in diagnosis.
• "Zika symptoms are mild" results in "Many people don't realize they are infected" because mild symptoms may not be noticed or taken seriously.
• "There isn't a Zika vaccine" causes "Protection against mosquito bites is the best way to prevent Zika infection" since without a vaccine, avoiding the vector (mosquitoes) is the main prevention method.

Answer:

• Cause: Zika symptoms are similar to those of other diseases. Effect: Many Zika cases may have been misdiagnosed.
• Cause: Zika symptoms are mild. Effect: Many people don't realize they are infected.
• Cause: There isn't a Zika vaccine. Effect: Protection against mosquito bites is the best way to prevent Zika infection.