Read the following passage and answer if the question is true or false.
Passage: A vaccine has been conditionally approved for use in animals in the US. It has been shown that knockout of the NSs and NSm nonstructural proteins of this virus produces an effective vaccine in sheep as well.

Question: is there a cure for rift valley fever?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
False
False. The passage discusses a vaccine for Rift Valley Fever, not a cure.