Three years later, access to HIV treatment has increased three-fold, but major challenges still remain.
两年以后，艾滋病毒治疗可及性已提高两倍，但仍然存在重大的挑战。
2
Hospitalization rates in high-risk persons increase two- to five fold during major epidemics.
在感冒大流行期间，高危住院病人住院率可能增加二到五成。
3
In fact, single fold, then if appropriate will make very beautiful spirit, if we do, then must go to a regular major hospitals, surgery done strictly according to doctor's orders.