在无法控制的条件下，该病仍呈自然流行状态。
Under this conditions, this disease was still natural popular.
结论：山东省HFRS会保持低流行状态，但流行形势仍不乐观。
Conclusion: HFRS will be in a low prevalence state in Shandong Province, but the epidemic situation is far from optimistic.
乳腺癌在美国呈流行状态，每十名妇女中一人患此病，死亡率为四分之一。
Female breast cancer has reached epidemic proportions, with one in ten American women developing it and one in four dying.
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