Question

Read the text.
4) The Zika virus is a disease spread mainly by an infected species of mosquito.
Symptoms last for several days to a week and include fever, joint pain, rash, and conjunctivitis. Due 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 don't become seriously ill or need to be hospitalized. As a consequence, many people with Zika may not even know they have the disease. There isn't a vaccine available to prevent Zika virus disease, so the best method of prevention is protection against mosquito bites.
") Match causes with their effects.
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There isn't a Zika vaccine.
Zika symptoms are similar to those of other diseases.
Zika symptoms are mild.
1))
Cause
Effect
Many Zika cases may have been misdiagnosed.
Many people don't realize they are infected.
Protection against mosquito bites is the best way to prevent Zika infection.

Answer 1

1) There isn't a Zika vaccine. → Protection against mosquito bites is the best way to prevent Zika infection.

2) Zika symptoms are similar to those of other diseases. → Many Zika cases may have been misdiagnosed.

3) Zika symptoms are mild. → Many people don't realize they are infected.