Alliance for Pandemic Preparedness

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Topic: Clinical Characteristics and Health Care Setting


May 25, 2021

Post-COVID Syndrome in Non-Hospitalised Patients with COVID-19: A Longitudinal Prospective Cohort Study

Shortness of breath, fatigue, loss of smell, and loss of taste persisted in 9%, 10%, 12%, and 11%, respectively, in a cohort of 442 individuals with COVID-19 (mostly mild cases) who were followed up at 4 months post-infection in Germany. At least one of these characteristic symptoms was present in 123 participants at both the…


May 24, 2021

Maternal and Perinatal Outcomes of Pregnant Women with SARS-CoV-2 Infection at the Time of Birth in England: National Cohort Study

A population-based cohort study of pregnant persons in England (n = 342,080) in the context of universal screening for SARS-CoV-2 at delivery hospitalization found that SARS-CoV-2 infection was more common among those who were younger, of non-white ethnicity, pregnant for the first time, resided in the most deprived areas, or had comorbid conditions. Risk of…


May 21, 2021

Factors Associated with Readmission in the US Following Hospitalization with COVID-19

A retrospective cohort study of persons hospitalized for COVID-19 between February and June 2020 in the US (N=29,659) found that 3.6% were readmitted within 30 days of their initial hospitalization and 12.3% died during their second hospitalization. The rate of readmission was highest within 10 days of discharge from the initial hospitalization. Persons readmitted were…


Risk of Clinical Sequelae after the Acute Phase of SARS-CoV-2 Infection: Retrospective Cohort Study

A large retrospective cohort study of US adults aged 18-65 enrolled in commercial insurance (N=9,247,505) found that 14% of individuals with documented SARS-CoV-2 infection developed at least 1 new clinical sequala requiring medical care after the acute phase of COVID-19 disease. In comparison, 9% of persons without SARS-CoV-2 infection and 13% of persons with a…


May 20, 2021

Population-Based Estimates of Post-Acute Sequelae of SARS-CoV-2 Infection (PASC) Prevalence and Characteristics

Persistent COVID-19 symptoms 30 days and 60 days after symptom onset were present in 53% and 35% of participants, respectively, in a population-based survey in Michigan (n=593). Prevalence of 30-day and 60-day symptoms was 40% higher in hospitalized patients than in non-hospitalized patients, while those who reported very severe symptoms (vs mild) had a 2-fold…


Characteristics Associated With Multisystem Inflammatory Syndrome Among Adults With SARS-CoV-2 Infection

In a single-center cohort study of patients hospitalized for acute COVID-19 (n=698), 15 patients were identified with multisystem inflammatory syndrome for adults (MIS-A). The 15 MIS-A patients had acute COVID-19 symptoms, and for MIS-A patients with prior admission for acute COVID-19 (n=3), the median interval between acute COVID-19 admission and MIS-A admission was 23 days….


Assessment of the Association of Vitamin D Level With SARS-CoV-2 Seropositivity Among Working-Age Adults

Low levels of Vitamin D (<20 ng/mL) was not associated with positivity for anti-SARS-CoV-2 IgG antibodies (OR=1.04, 95% CI=0.88-1.22), after adjustment for confounders in a large cohort study of US employees and spouses of Quest Diagnostics (n=18,148). Vitamin D levels were measured prior to the pandemic in 2019 and results were adjusted for age, sex,…


May 18, 2021

Characteristics and Outcomes Among US Patients Hospitalized for Ischemic Stroke Before vs During the COVID-19 Pandemic

Stroke patients with comorbid COVID-19 (n=5,517) had a 5-fold higher risk of in-hospital death compared to stroke patients prior to the pandemic (n=165,912), according to an analysis of hospital records of patients admitted for ischemic stroke between January 2019 to December 2020. Compared to stroke patients prior to the pandemic and non-COVID-19 patients during the…


May 17, 2021

A Retrospective Cohort Study of 12,306 Pediatric COVID-19 Patients in the United States

A retrospective cohort study found that among 12,306 pediatric patients with lab-confirmed COVID-19 in the US, 5% were hospitalized, 18% needed critical care services and 4% required mechanical ventilation. 14% experienced gastrointestinal symptoms, 8% had dermatological symptoms (rash), 5% had headache, and 19% had other symptoms (fever, malaise, myalgia, arthralgia and altered smell or taste)….


May 14, 2021

Comparison and Impact of COVID-19 for Patients with Cancer: A Survival Analysis of Fatality Rate Controlling for Age, Sex and Cancer Type

A survival analysis of UK cancer patients (N=4,606) found that those with a SARS-CoV-2 diagnosis between March-October 2020 had a higher risk of death compared to patients without SARS-CoV-2. The risk of death within 21 days post SARS-CoV-2 detection was over 10-fold higher than among those without SARS-CoV-2 infection in patients with melanoma, hematological malignancies,…



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