National Latinx AIDS Awareness Day — October 15, 2019 ,

Trends in Sexual Risk Behaviors Among Hispanic/Latino Men Who Have Sex with Men — 19 Urban Areas, 2011–2017 Lindsay Trujillo, MPH; Johanna Chapin-Bardales, PhD; Emilio J. German, MSHSA; et al.

Update: Influenza Activity — United States and Worldwide, May 19–September 28, 2019, and Composition of the 2020 Southern Hemisphere Influenza Vaccine Scott Epperson, DVM; C. Todd Davis, PhD; Lynnette Brammer, MPH; et al.

Vital Signs: Burden and Prevention of Influenza and Pertussis Among Pregnant Women and Infants — United States Megan C. Lindley, MPH; Katherine E. Kahn, MPH; Barbara H. Bardenheier, PhD; et al.

National Update on Measles Cases and Outbreaks — United States, January 1–October 1, 2019 Manisha Patel, MD; Adria D. Lee, MSPH; Nakia S. Clemmons, MPH; et al.

Notes from the Field: Environmental Contamination from E-cigarette, Cigarette, Cigar, and Cannabis Products at 12 High Schools — San Francisco Bay Area, 2018–2019 Jeremiah Mock, PhD; Yogi H. Hendlin, PhD

Erratum: Vol. 68, No. 39

Erratum: Vol. 68, No. 33

QuickStats: Birth Rates for Teens Aged 15–19 Years, by Age Group — National Vital Statistics System, United States, 1991–2018

MMWR Masthead