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

U.S. Clinical Laboratories Reporting SARS-CoV-2 Test Results to CDC

U.S. Clinical Laboratories Reporting SARS-CoV-2 Test Results to CDC
Updated June 12, 2020, 02:00 PM
This graph displays the number of respiratory specimens tested and the percent positive for SARS-CoV-2 reported to CDC by U.S. Clinical Laboratories through the National Respiratory and Enteric Virus Surveillance System.

Week No. of Labs Spec Tested # Pos % Pos
U.S. Clinical Laboratories Reporting SARS-CoV-2 Test Results to CDC
March 8, 2020 – June 6, 2020
Data as of June 11, 2020
202011 28 2,493 147 5.9
202012 45 18,759 1,169 6.2
202013 56 45,031 3,957 8.8
202014 67 55,919 6,250 11.2
202015 85 56,303 7,107 12.6
202016 101 67,370 7,391 11.0
202017 109 87,926 9,189 10.5
202018 116 108,883 9,849 9.1
202019 123 127,763 8,976 7.0
202020 118 137,638 8,802 6.4
202021 116 139,651 8,065 5.8
202022 121 136,094 7,415 5.5
202023 71 105,670 5,593 5.3
Total 160 1,089,500 83,910 7.7