It is not plausible that the virginal transmission risk is anything like the higher rates you cite.

无论如何，我的理解是任何你异性传播的上升都依然是相对低风险的。

youdao

The new prevention of mother to child transmission (PMTCT) recommendations have the potential to reduce mother-to-child HIV transmission risk to 5% or lower.

新的预防母婴传播建议有可能将母婴艾滋病毒传播几率降至5%或更低。

youdao

The importation of Zika virus disease to China might occur and cause local transmission in southern China where climate condition is suitable, but large scale transmission risk is low.

寨卡病毒病输入我国的风险持续存在，输入后在南方蚊媒条件适宜的地区仍有引发本地传播的风险，但导致大规模本地传播的风险极低。

youdao

UNICEF is working with Guinea Bissau's Ministry of Women and Family to better protect young girls at risk and increase the supply of drugs that prevent mother-to-child transmission of HIV while expanding the availability of those drugs outside the capital.

VOA: standard.2009.04.24

This in turn may reduce the risk of transmission from badgers to cattle.

BBC: Q&A: The badger cull

Patients should feel confident that their care will be provided in a safe environment and that there is infinitesimal risk of transmission of disease.

CNN: Don't be afraid of dentists

The risk of HIV transmission may also be further increased by other sexually transmitted infections.

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