No — cdc.gov is up

https://cdc.gov 30-day uptime: 99.58%

SLA Uptime

30 days 99.58%

Last downtime detected on 7/26/2026, 9:01:04 AM. Duration: 5h 38m 38s (20,318,092 ms).

Response time

654.19 ms

Average

↓

79.00 ms

Minimum

↑

1288.00 ms

Maximum

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About cdc.gov Status Monitoring

This page provides real-time uptime monitoring and performance tracking for cdc.gov (https://cdc.gov). The service is currently online and operational.

Service Level Agreement (SLA) Uptime: Over the last 30 days, cdc.gov has maintained an uptime of 99.58%. The latest downtime was recorded on 7/26/2026, 9:01:04 AM and lasted 5h 38m 38s.