Part of cdc.govMixed16 tested URLs
Can you open https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/coronavirus-self-checker.html from mainland China?
Yes.
No recent testsVerdict from 2026-06-07 · 3 mo ago
As of the last test on 2026-06-07 — 3 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2020first tested
3 mo agolast tested
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Frequently asked questions
Is https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/coronavirus-self-checker.html blocked in mainland China right now?
We haven't tested https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/coronavirus-self-checker.html in the last 90 days. As of the last test on 2026-06-07 (3 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/coronavirus-self-checker.html · JSON