The Morbidity and Mortality Weekly (MMWR) is a government published scientific periodical series offering public health information. This issue of MMWR contains the following: "COVID-19 Vaccination Recommendations and Practices for Women of Reproductive Age by Health Care Providers -- Fall DocStyles Survey, United States, 2022"; "Inequities in COVID-19 Vaccination Coverage Among Pregnant Persons, by Disaggregated Race and Ethnicity -- Massachusetts, May 2021-October 2022"; "Effectiveness of Maternal mRNA [messenger ribonucleic acid] COVID-19 Vaccination During Pregnancy Against COVID-19-Associated Hospitalizations in Infants Aged <6 Months During SARS-CoV-2 [severe acute respiratory syndrome] Omicron Predominance -- 20 States, March 9, 2022-May 31, 2023"; "Influenza, Tdap [Tetanus, Diphtheria, and Pertussis], and COVID-19 Vaccination Coverage and Hesitancy Among Pregnant Women -- United States, April 2023"; "'ACIP [Advisory Committee on Immunization Practices] Updates': Recommendations for Use of 20-Valent Pneumococcal Conjugate Vaccine in Children -- United States, 2023"; and "'QuickStats': Rate of Emergency Department Visits, for Substance Use Disorders Among Adults Aged ≥18 Years, by Age Group -- National Hospital Ambulatory Medical Care Survey, United States, 2018-2019 and 2020-2021." Notifiable Diseases and Mortality Tables from this issue can be accessed at the following link: www.cdc.gov/mmwr/index2023.html.