There are two basic stages of yaws disease - early (infectious) and late (non-infectious).
雅司病有两个基本阶段:早期(有传染性)和晚期(无传染性)。
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Novavax, another American start-up, has had similarly promising results using “virus-like particles” (made of non-infectious viral proteins purged of genetic material).
If approved by national regulatory authorities, the non-infectious virus could be studied in a broader variety of LABS, removing a major roadblock to finding a cure.