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 50-52 and Volume 70, Issues 1-2 of the Centers for Disease Control’s Morbidity and Mortality Weekly Report (MMWR) Series.

January 15, 2021 / Volume 70 No. 2 Featured Article:

Allergic Reactions Including Anaphylaxis After Receipt of the First Dose of Pfizer-BioNTech COVID-19 Vaccine — United States, December 14–23, 2020

This report finds that 4,393 of the 1,893,360 people who received first doses of the Pfizer-BioNTech COVID-19 vaccine reported adverse events following vaccination, including 21 cases of anaphylaxis, a severe allergic reaction that can be life-threatening. This amounts to 0.23% of doses reporting adverse events, and just 0.00111% of doses resulting in cases of anaphylaxis, or in other words, a rate of 11.1 cases per 1 million doses.

January 8, 2021 / Volume 70 No. 1 Featured Article:

Time from Start of Quarantine to SARS-CoV-2 Positive Test Among Quarantined College and University Athletes — 17 States, June–October 2020

This study tracks the timing of positive COVID-19 tests among collegiate athletes during their 14 day quarantine after COVID-19 exposure.  For those who had not received a positive test after 5 days of quarantine, the probability of testing positive before the end of quarantine was 27%. After 10 days of zero positive tests, the probably of testing positive drops to less than 5%.

January 1, 2021 / Volume 69 No. 51-52 Featured Article:

The Advisory Committee on Immunization Practices’ Updated Interim Recommendation for Allocation of COVID-19 Vaccine — United States, December 2020

This report outlines the updated recommendations for COVID-19 vaccine allocation made by the Advisory Committee on Immunization Practices (ACIP). In Phase 1a, ACIP recommends that health care personnel and long-term care facility residents receive the vaccine first. Phase 1b would then be for people aged 75+ and frontline essential workers. In Phase 1c, people aged 65-74, people aged 16-64 with high-risk medical conditions, and essential workers not covered in Phase 1b would be offered the vaccine.

January 1, 2021 / Volume 69 No. 51-52 Featured Article:

Impact of COVID-19 Pandemic on Global Poliovirus Surveillance

Surveillance for acute flaccid paralysis (AFP) is the primary means of detecting poliovirus circulation. The COVID-19 pandemic has impacted AFP surveillance procedures leading to a decline in reported cases of AFP.  This trend will possibly have a negative effect on the detection of poliovirus circulation.


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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