Even in international locations exactly where testing is offered, it is usually highly-priced rather than broadly accessible. On top of that, the time it takes for outcomes to get acquired is often very long. Consequently, stick to-up can be impeded and treatment or procedure can be incomplete. 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 https://us.hc6.org/