Task: Translation
Input (Persian): هنوز میزان شیوع این ویروس نامشخص است بنابراین نمی‌توان تاثیر آن را بر اقتصاد ارزیابی نمود.
Output (English): We are very fearful of H7N9 because we've gone through SARS. Ten years' later, China's economy has taken on a new starting point. It's now unclear if H7N9 will spread widely, so it's hard to quantify its impact on the economy.