Instructions: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Input: It can be difficult to distinguish dengue fever and chikungunya , a similar viral infection that shares many symptoms and occurs in similar parts of the world to dengue .
Output:
It can be difficult to tell the difference between dengue fever and chikungunya .