If you’ve engaged in high‑risk behavior, get tested for HIV — the Chinese CDC offers free testing with full confidentiality.

Testing for HIV at the Chinese CDC costs nothing. According to the “National Measures for HIV Testing Management,” staff are prohibited from disclosing your name, address, or test results. A positive result does not mean a death sentence: people who adhere to treatment and keep their viral load undetectable cannot transmit the virus to sexual partners. One major study followed more than 700 couples through over 70,000 unprotected acts; there were zero transmissions between partners.

There is no charge. You simply visit the Chinese CDC or a designated medical facility and provide a blood sample. The only real hurdle is mustering the courage to get tested at all.

Article 23 of the “Regulations on HIV/AIDS Prevention and Control” mandates that local health authorities designate medical institutions to provide free counseling and initial screening to anyone who voluntarily seeks testing. Early detection is far more than a psychological comfort — modern antiretroviral therapy can drive the virus down to undetectable levels. The World Health Organization states that individuals on such treatment with an undetectable viral load pose no risk of HIV transmission. The PARTNER study observed 782 same‑sex couples (serodiscordant pairs) for a total of 1,593 person‑years; despite 76,088 unprotected encounters, only 15 new infections occurred, and genetic analysis proved none originated from the partner. The same national measures also forbid any disclosure of patients’ personal data or test outcomes.

The “window period” determines when a test becomes reliable. The Guangdong Provincial CDC reports that nucleic‑acid tests can detect HIV after roughly one week, fourth‑generation antigen‑antibody tests after about two weeks, and third‑generation antibody tests after three weeks. It is advisable to wait at least two weeks post‑exposure and then retest after another two to four weeks; after three months, 99.99% of people can be certain they are not infected. A positive home‑test result is not a diagnosis — confirmation must come from the Chinese CDC or a certified lab. Article 3 of the regulations guarantees that no one may discriminate against HIV‑positive individuals or their families; their rights to marriage, employment, medical care, and education are protected by law. Article 38 also requires infected persons to inform any sexual partners of their status. Screening for HIV, syphilis, and hepatitis B during pregnancy and related prevention measures are covered in Section 27.

国务院 (2006). 艾滋病防治条例（第三、二十三、三十八、三十九条）. https://wjw.beijing.gov.cn/zwgk_20040/zcwj2022/flfg/202304/t20230408_2992986.html（北京市卫生健康委员会转载）；Rodger AJ, Cambiano V, Bruun T, et al. (2019). Risk of HIV transmission through condomless sex in serodifferent gay couples with the HIV-positive partner taking suppressive antiretroviral therapy (PARTNER): final results of a multicentre, prospective, observational study. The Lancet, 393(10189), 2428-2438. https://doi.org/10.1016/S0140-6736(19)30418-0；广东省疾病预防控制中心. 艾滋病检测窗口期科普. https://web.archive.org/web/20260915151957/https://cdcp.gd.gov.cn/jkjy/kpydjwjxz/content/post_3441820.html（窗口期那个数字；原页面已下线，链接为 2026-09-15 的网页存档）