In Case You Missed It: MMWR and COVID

Center for Disease Control's Morbidity and Mortality Weekly ReportThe Homeland Security Digital Library (HSDL) maintains a collection of the Centers for Disease Control‘s (CDC) Morbidity and Mortality Weekly Report (MMWR), which collects and analyzes data from the United States Department of Health and Human Services (HHS) on epidemiology and public health. Each issue of the MMWR is packed with raw and analyzed public health data and scientific studies from some of the top minds in the United States. In light of the COVID-19 (coronavirus disease 2019) epidemic, we are highlighting some of the most current and informative COVID-related studies included in their weekly reports.

Here are some articles you may have missed from Volume 69, Issues 41-45 of the Centers for Disease Control’s Morbidity and Mortality Weekly Report (MMWR) Series.

November 13, 2020 / No. 45 Featured Article:

COVID-19 Outbreak in an Amish Community — Ohio, May 2020

This study of an Amish community highlights the trend of COVID outbreaks moving from dense urban areas into rural populations. Collaborating with and trusting local health departments can be vital for these communities to reduce transmission. This can be especially challenging with Amish communities given their cultural practices and isolation.

November 6, 2020 / No. 44 Featured Article:

Transmission of SARS-COV-2 Infections in Households — Tennessee and Wisconsin, April–September 2020

This study finds that transmission of SARS-COV-2 (severe acute respiratory syndrome coronavirus 2) in households is common and occurs quickly, with only 40% of infected individuals showing symptoms at the time they were tested. For those suspected of having COVID, immediate isolation within the household is recommended along with all members of the household wearing masks.

October 23, 2020 / No. 42 Featured Article:

Mitigating a COVID-19 Outbreak Among Major League Baseball Players — United States, 2020

Soon after the start of the 2020 Major League Baseball (MLB) season, a team was hit with a COVID outbreak that infected 20 members of the team and staff. This study outlines MLB’s mitigation strategies and finds that their protocols helped limit the spread beyond the infected team. Furthermore, adopting COVID mitigation strategies for non-professional baseball leagues, such as amateur and high school leagues, could allow them a means to play as long as they continue to follow COVID protocols on and off the field.

October 16, 2020 / No. 41 Featured Article:

Demographic Characteristics, Experiences, and Beliefs Associated with Hand Hygiene Among Adults During the COVID-19 Pandemic — United States, June 24–30, 2020

This study shows that around 85% of U.S. adults practice frequent hand hygiene (including handwashing and using alcohol-based hand sanitizer) after coming into contact with public surfaces. The researchers found that men are less likely than women to practice frequent hand hygiene. Likewise, younger adults and individuals with lower income tend to be less hand hygienic than their counterparts.


For more information, visit our Coronavirus Disease (COVID-19) Special Collection or our In Focus: 2019 Novel Coronavirus collection. You can also find pandemic-related resources in our HSDL Featured Topics on Pandemics and Epidemics. Please note that an HSDL login is required to view some of these resources.

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