Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
UPDATE
Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the guidance for fully vaccinated people. CDC recommends universal indoor masking for all teachers, staff, students, and visitors to K-12 schools, regardless of vaccination status. Children should return to full-time in-person learning in the fall with layered prevention strategies in place.
UPDATE
The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. More information is available here.
UPDATE
Travel requirements to enter the United States are changing, starting November 8, 2021. More information is available here.
COVIDView: A Weekly Surveillance Summary of U.S. COVID-19 Activity

Commercial Labs

Commercial Labs
Updated May 1, 2020

U.S. Commercial Laboratories Reporting to CDC
March 29, 2020 – April 25, 2020
Data as of April 30, 2020
Week No. of Labs Total (includes age unknown) 0-4 years 5-17 years 18-49 years 50-64 years 65+ years
Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos
202014 6 536,213 123,017 22.9 8,056 483 6 13,155 1,752 13.3 284,875 59,483 20.9 129,464 34,673 26.8 76,164 21,035 27.6
202015 6 500,000 114,098 22.8 6,569 558 8.5 12,592 2,058 16.3 255,937 54,514 21.3 124,594 31,831 25.5 74,269 19,673 26.5
202016 6 503,897 98,108 19.5 6,090 536 8.8 14,678 2,219 15.1 238,339 45,404 19.1 122,045 24,949 20.4 79,479 16,469 20.7
202017 6 529,492 86,623 16.4 5,965 522 8.8 15,291 2,401 15.7 237,970 40,952 17.2 124,361 21,014 16.9 89,088 14,417 16.2
Total 2,069,602 421,846 20.4 26,680 2,099 7.9 55,716 8,430 15.1 1,017,121 200,353 19.7 500,464 112,467 22.5 319,000 71,594 22.4