In the report, "Tobacco Use Among Middle and High School Students - United States, 2011-2016," an error occurred in the Table. The prevalence estimate for cigar smoking among high school males should read "9.9 (8.6-11.2)."

On page 392 in "QuickStats: Percentage Distribution of Gestational Age in Weeks for Infants Who Survived to Age 1 Year and Infants Who Died Before Age 1 Year - National Vital Statistics System, United States, 2014," the second and third sentences of the caption should have read as follows: "In 2014, 66% of infants who survived to age 1 year were delivered at full term or later (≥39 completed we...

In the report "Guidance for Assessment of Poliovirus Vaccination Status and Vaccination of Children Who Have Received Poliovirus Vaccine Outside the United States," on page 24, under the section "Children with documentation of poliovirus vaccination." the first paragraph should have read as follows.