MMWR Weekly Briefing

This episode discuses three MMWR COVID-19 reports. The first report describes how vaccination provides better protection from reinfection than does natural immunity among people who were previously infected with COVID-19. The second report highlights the rapid increase in Delta variant cases in Mesa County, Colorado, including breakthrough cases for people who have been vaccinated. The last report emphasizes how all COVID-19 vaccines are highly effective in preventing COVID-19 related hospitalizations in older adults.

This episode discusses four MMWR COVID-19 reports. The first report presents five factors CDC recommends that communities and organizations consider when deciding how to best prevent COVID-19. The second report describes a COVID-19 outbreak after multiday gatherings in Massachusetts where most cases were breakthrough infections caused by the Delta variant among fully vaccinated people. The third describes that serious adverse reactions are rare after COVID-19 vaccination among 8.9 million adolescents. The last report describes lower COVID-19 vaccination rates among some health care staff in long-term care facilities.

This episode discusses two MMWR COVID-19 reports. The first report describes differences in access to full-time, in-person instruction across racial and ethnic groups in K-12 schools during the COVID-19 pandemic. The second highlights how portable, high-efficiency particulate air cleaners may help reduce exposure to COVID-19 in indoor environments.

This episode discusses four MMWR COVID-19 reports. The first two reports describe vaccination coverage and intent among adults. Another report shows that workplace investigations of COVID-19 outbreaks can help identify employee cases and contacts. The last report highlights that over half of surveyed public health workers reported depression, anxiety, or post-traumatic stress disorder.

This episode discusses six MMWR COVID-19 reports. The first report highlights how COVID-19 cases, hospitalizations, and deaths declined among older adults, likely due to higher vaccination in this age group. The second report describes declines in routine child and adolescent vaccinations during the COVID-19 pandemic. The third report describes COVID-19 vaccination coverage among pregnant people. Another report describes the rapid expansion of national genomic surveillance to monitor COVID-19 variants in the U.S. The fifth report brings to light how emergency department visits for suspected suicide attempts among adolescents, especially girls, have increased during the pandemic. The last report describes how the mental health of parents and unpaid caregiver of adults has been adversely impacted by the COVID-19 pandemic.

This episode discusses four MMWR COVID-19 reports. The first report details the importance of COVID-19 vaccination for adolescents and mask use for those not yet vaccinated. Another report describes excess deaths in patients with end-stage renal disease during the early months of COVID-19. The third report focuses on how people living with severe HIV disease in sub-Saharan Africa were more likely to have severe outcomes from COVID-19. And the final report highlights how COVID-19 surveillance data in South Sudan and other countries are likely to have been affected by changes in strategy, funding, and policy.

This episode discusses three MMWR COVID-19 reports. The first report describes COVID-19 vaccine breakthrough cases reported to CDC. Another report shows that disparities in vaccination coverage increased as more people became eligible for COVID-19 vaccines. The third examines innovative approaches to the routine care of HIV patients during the COVID-19 pandemic through PEPFAR and CDC.

This episode discusses four MMWR COVID-19 reports. The first report describes how COVID-19 vaccination rates in rural counties were lower compared with urban counties. The second report highlights how child care facilities in Washington, DC, were able to reduce COVID-19 spread by using a combination of prevention measures. A third report underscores how elementary schools with improved ventilation and mask requirements for teachers and staff helped slow the spread of COVID-19. And the final report describes how COVID-19 testing in Utah high schools helped them continue in-person instruction and extracurricular activities.

This episode discusses five MMWR COVID-19 reports. The first report provides more evidence that mRNA COVID-19 vaccines are effective in real-world conditions. The second report describes how nearly 80% of people 65 years and older received at least one dose of COVID-19 vaccine. The third report describes the Advisory Committee on Immunization Practices' recommendation for use of the Pfizer-BioNTech COVID-19 vaccine among adolescents. The fourth report reiterates that people with COVID-19 symptoms and a negative antigen test should get a confirmatory polymerase chain reaction, or PCR, test. Finally, the last report highlights how a free community-based COVID-19 testing initiative in Chicago was effective at reaching people in areas with less access to testing.

This episode discusses three MMWR COVID-19 reports. The first report projects how increasing vaccination coverage and the use of preventive measures will affect new COVID-19 cases. Two other reports describe the identification of COVID-19 variants in the United States.