STIs are caused by bacteria, viruses and parasites. Some of the most common infections are below.
性传播感染由细菌、病毒和寄生虫引起。
This version contains probes representing about 178, 000 viral sequences from some 5, 700 viruses, and about 785, 000 bacterial sequences from thousands of bacteria.
这一版本检测套装的探针中含有从5,700种病毒中采集的178,000个病毒基因序列，以及从数以千计的细菌中采集的785,000个细菌基因序列。
When the researchers tested the peptides out on bacteria, viruses, and fungi, some of them turned out to be very powerful germ killers.
当研究人员拿细菌、病毒和真菌来测试这些抗菌肽时，他们发现其中有些抗菌肽是威力极强的杀菌剂。
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