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Suspected Mpox Symptoms and Testing in Men Who Have Sex With Men in the United States: Cross-Sectional Study

Suspected Mpox Symptoms and Testing in Men Who Have Sex With Men in the United States: Cross-Sectional Study

We assessed symptoms suggesting mpox by asking: “In the past three months, have you had a (1: fever or 2: new rash/sores on the skin) and didn’t know the cause?” For GBMSM reporting rashes, we asked their location and pain severity (rated 0‐10), and whether, after GBMSM first noticed the rash or sores, they changed in appearance, number, or location. We measured mpox testing by self-report.

Kaitlyn Atkins, Thomas Carpino, Amrita Rao, Travis Sanchez, O Winslow Edwards, Marissa Hannah, Patrick S Sullivan, Yasmin P Ogale, Winston E Abara, Kevin P Delaney, Stefan D Baral

JMIR Public Health Surveill 2025;11:e57399

Elevated Ambient Temperature Associated With Reduced Infectious Disease Test Positivity Rates: Retrospective Observational Analysis of Statewide COVID-19 Testing and Weather Across California Counties

Elevated Ambient Temperature Associated With Reduced Infectious Disease Test Positivity Rates: Retrospective Observational Analysis of Statewide COVID-19 Testing and Weather Across California Counties

Current clinical practice defines normal adult BT between 36.16 and 37.02 °C (97.09 and 98.64 °F [2]), commonly anchoring abnormality at 2 thresholds: hypothermia (low BT, ≤36 °C) [3] and fever (elevated BT, ≥38 °C [4]). These values are endorsed by the Centers for Disease Control and Prevention (CDC) and are often used as screening criteria, part of differential diagnoses, or in evidence-based practice pathways [5-7].

Nicholas Wing-Ping Kwok, Joshua Pevnick, Keith Feldman

JMIR Public Health Surveill 2024;10:e57495

Temperature Measurement Timings and the Fever Detection Rate After Gastrointestinal Surgery: Retrospective Cross-Sectional Study

Temperature Measurement Timings and the Fever Detection Rate After Gastrointestinal Surgery: Retrospective Cross-Sectional Study

Harding et al [29] noted that fever patterns correspond to the diurnal variation in body temperature, peaking and troughing at consistent times, with nighttime fever incidence in the emergency department exceeding morning rates by a factor of 2.5. Such findings imply that adjusting measurement timings could improve fever detection rates. However, the optimal intervals and frequency of temperature assessments for maximal fever detection efficacy are yet to be determined.

Shiqi Wang, Gang Ji, Xiangying Feng, Luguang Huang, Jialin Luo, Pengfei Yu, Jiyang Zheng, Bin Yang, Xiangjie Wang, Qingchuan Zhao

Interact J Med Res 2024;13:e50585

The Effect of Body Temperature Changes on the Course of Treatment in Patients With Pneumonia and Sepsis: Results of an Observational Study

The Effect of Body Temperature Changes on the Course of Treatment in Patients With Pneumonia and Sepsis: Results of an Observational Study

A fever-range increase of body temperature is a highly preserved response that is probably beneficial in patients who develop fever as a part of a normal immune response to infection [5]. Recently, we have observed that patients with lower body temperatures are at a higher risk of acquiring the presence of multidrug-resistant pathogens [6].

Domen Guzelj, Anže Grubelnik, Nina Greif, Petra Povalej Bržan, Jure Fluher, Žiga Kalamar, Andrej Markota

Interact J Med Res 2024;13:e52590

Decreased Seasonal Influenza Rates Detected in a Crowdsourced Influenza-Like Illness Surveillance System During the COVID-19 Pandemic: Prospective Cohort Study

Decreased Seasonal Influenza Rates Detected in a Crowdsourced Influenza-Like Illness Surveillance System During the COVID-19 Pandemic: Prospective Cohort Study

ILI was defined as fever in addition to sore throat, cough, or both [19]. Influenza diagnosis was classified as self-reported influenza diagnosis (hereafter called self-reported diagnosis). Influenza vaccination rate was defined as the proportion of unique reporters who indicated being vaccinated any time during the influenza season. ILI rates were determined as the number of reports meeting the ILI definition over the total reports during that time.

Autumn Gertz, Benjamin Rader, Kara Sewalk, Tanner J Varrelman, Mark Smolinski, John S Brownstein

JMIR Public Health Surveill 2023;9:e40216

Natural Language Processing for Improved Characterization of COVID-19 Symptoms: Observational Study of 350,000 Patients in a Large Integrated Health Care System

Natural Language Processing for Improved Characterization of COVID-19 Symptoms: Observational Study of 350,000 Patients in a Large Integrated Health Care System

The most common signs and symptoms include fever, cough, shortness of breath, fatigue, muscle aches, headaches, loss of taste or smell, sore throat, congestion, nausea or vomiting, and diarrhea [7]. However, prevalence estimates for each sign or symptom have been inconsistent, with most being derived from studies relying on self-reported surveys that are more subjective than electronic medical records (EMR) [4,8,9].

Deborah E Malden, Sara Y Tartof, Bradley K Ackerson, Vennis Hong, Jacek Skarbinski, Vincent Yau, Lei Qian, Heidi Fischer, Sally F Shaw, Susan Caparosa, Fagen Xie

JMIR Public Health Surveill 2022;8(12):e41529

Prediction of COVID-19 Infections for Municipalities in the Netherlands: Algorithm Development and Interpretation

Prediction of COVID-19 Infections for Municipalities in the Netherlands: Algorithm Development and Interpretation

After infection, symptoms such as fever, a (dry) cough, nasal congestion, and fatigue can develop. COVID-19 can have many adverse outcomes such as a reduction in the quality of life of children, adolescents [2], and older adults, especially when they have to live in a lockdown [3]. In some cases, the virus causes severe complications such as pneumonia and dyspnea and can result in death.

Tjeerd van der Ploeg, Robbert J J Gobbens

JMIR Public Health Surveill 2022;8(10):e38450

Circulating Illness and Changes in Thermometer Use Behavior: Series of Cross-sectional Analyses

Circulating Illness and Changes in Thermometer Use Behavior: Series of Cross-sectional Analyses

Kinsa fever data were also found to be correlated with confirmed cases during the first wave of COVID-19 [19]. The demographic and social determinants of the health behavior of temperature-taking have yet to be examined. We predicted that demographic groups with greater perceived risks of influenza or COVID-19 will take their temperature more often.

Jack Seifarth, Megan Pinaire, John Zicker, Inder Singh, Danielle Bloch

JMIR Form Res 2022;6(9):e37509

Comparative Analysis of Single and Combined Antipyretics Using Patient-Generated Health Data: Retrospective Observational Study

Comparative Analysis of Single and Combined Antipyretics Using Patient-Generated Health Data: Retrospective Observational Study

Fever is one of the most common symptoms in children and represents a physiologic response of the human immune system against external pathogens. In particular, fever is reported to be the most common cause of children’s emergency room visits, accounting for 26.4% to 37.4% of visits [1,2]. According to studies in Korea, most causes of childhood fever are viral infections such as mild acute upper respiratory infections [1,2].

Yu Rang Park, Hyery Kim, Ji Ae Park, Sang Hyun Ahn, Seyun Chang, Jae Won Shin, Myeongchan Kim, Jae-Ho Lee

JMIR Mhealth Uhealth 2021;9(5):e21668