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  1. 65321
    “…METHODS: We conducted a longitudinal cohort study of 1,195,327 patients aged 0–19 years between 2006 and 2021, including the first two waves of the pandemic (February 25–August 22, 2020 and August 23, 2020-March 31, 2021). …”
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    Multisystem inflammatory syndrome in 1.2 million children: longitudinal cohort study of risk factors
  2. 65322
    por He, Wen
    Publicado 2023
    “…METHODS: This study used two waves of individual-level data from the China Migrants Dynamic Survey (CMDS) collected in 2017 and 2018 as well as administrative hospital data at the city level. …”
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    Does the immediate reimbursement of medical insurance reduce the socioeconomic inequality in health among the floating population? Evidence from China
  3. 65323
    “…This study examines racial and ethnic disparities and prevalence in prescription drug misuse, illicit drug use, and the combination of both behaviors in the United States. Using five waves of the National Survey on Drug Use and Health (NSDUH, 2015–2019; n = 276,884), a multinomial logistic regression model estimated the outcomes of prescription drug misuse, illicit drug use, and the combination of both behaviors. …”
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    Racial and Ethnic Disparities and Prevalence in Prescription Drug Misuse, Illicit Drug Use, and Combination of Both Behaviors in the United States
  4. 65324
    “…PURPOSE: The study aimed to identify potential risk factors for family transmission and to provide precautionary guidelines for the general public during novel Coronavirus disease 2019 (COVID-19) waves. METHODS: A retrospective cohort study with numerous COVID-19 patients recruited was conducted in Shanghai. …”
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    Risk factors associated with indoor transmission during home quarantine of COVID-19 patients
  5. 65325
    “…Our analysis detected 6 viral load waves in A Coruña with concentrations between 10(3) and 10(6) SARS-CoV-2 RNA copies/L. …”
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    Wastewater early warning system for SARS-CoV-2 outbreaks and variants in a Coruña, Spain
  6. 65326
    “…OBJECTIVES: The continuous monitoring of SARS-CoV-2 infection waves and the emergence of novel pathogens pose a challenge for effective public health surveillance strategies based on diagnostics. …”
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    Trends and symptoms of SARS-CoV-2 infection: a longitudinal study on an Alpine population representative sample
  7. 65327
    “…METHODS: We used self-reported cross-sectional data from the Youth Sexuality Survey (YSS) by the Family Planning Association of Hong Kong, collected from secondary school students aged 10–16 between the fourth and fifth waves of the pandemic. The study outcome was pre-peri pandemic differences in mental health (better, unchanged, or poorer). …”
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    Risk and protective factors related to changes in mental health among adolescents since COVID-19 in Hong Kong: a cross-sectional study
  8. 65328
    “…We examined longitudinal associations of adolescent-reported pandemic-related stressors and cortisol, dehydroepiandrosterone (DHEA), and testosterone, in 11/20-02/21 [Winter20] and 08/21-10/21 [Fall21], during the second and third waves of US case counts. METHODS: Participants included adolescents (10.5-18 years; 52% male) from the US-based Early Growth and Development Study. …”
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    Longitudinal Associations of Adolescent Stress and Cortisol, Testosterone, and DHEA during the COVID-19 Pandemic
  9. 65329
    “…PARTICIPANTS AND ANALYSIS: Simple random sampling techniques were used and data were collected from 345 healthcare professionals (ie, doctors, nurses and allied health professionals) using split questionnaires, in two waves with a 3-week interval, with a response rate of 80%. …”
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    Perceived organisational support and work engagement among health sector workers during the COVID-19 pandemic: a multicentre, time-lagged, cross-sectional study among clinical hospital staff in Pakistan
  10. 65330
    “…RESULTS: We find a decline in the average MCS in the 2020 survey that is not particularly striking in the overall time course, still resulting in a mean score below those of all preceding waves since 2010. We find no change in LS from 2019 to 2020 against the background of a general upward trend. …”
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    Mental health and well-being in the first year of the COVID-19 pandemic among different population subgroups: evidence from representative longitudinal data in Germany
  11. 65331
    “…We compiled datasets from 2017 to 2021 of mass-transit ridership, work-from-home trends, and municipal wastewater effluent to assess changes in human mobility and anthropogenic pressure during multiple waves of the pandemic in 2020 and 2021. These were linked to changes in water quality assessed using high spatiotemporal ocean color remote sensing, which provides near-daily observations across the estuary study regions. …”
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    Deciphering the water quality impacts of COVID-19 human mobility shifts in estuaries surrounding New York City
  12. 65332
    “…An electrocardiogram on admission showed no P waves, and the patient had a junctional rhythm. However, on day 20 of hospitalization, he developed a complete atrioventricular block. …”
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    Diffusion-weighted whole-body magnetic resonance imaging with background body signal suppression was useful in a patient with isolated myocardial abscess confined to the right atrial wall: a case report
  13. 65333
    “…EEG showed lateralized periodic theta slow waves on the right side. According to the CDC’s diagnostic criteria for CJD, the diagnosis of probable sCJD was established. …”
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    Misdiagnosis of rarest subtype of sporadic Creutzfeldt Jakob Disease: a case report
  14. 65334
    “…BACKGROUND: Tools proposed to triage ED acuity in suspected COVID-19 were derived and validated in higher income settings during early waves of the pandemic. We estimated the accuracy of seven risk-stratification tools recommended to predict severe illness in the Western Cape, South Africa. …”
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    External validation of triage tools for adults with suspected COVID-19 in a middle-income setting: an observational cohort study
  15. 65335
    por Choe, Hwi, Pak, Tae-Young
    Publicado 2023
    “…METHODS: This repeated cross-sectional study used data from the 2013–2015 and 2019–2021 waves of the Korean National Health and Nutrition Examination Survey. …”
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    Food insecurity and unmet healthcare needs in South Korea
  16. 65336
    “…The study showed significantly lower rate ratios for AECOPD, pneumonia, and total COPD admissions during the first, second, third, and fifth (Omicron) waves. No significant effect on admissions was seen after the withdrawal of restriction measures. …”
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    Hospital Admission Rates in Patients with COPD Throughout the COVID-19 Pandemic
  17. 65337
    “…The Community Impact Survey was fielded in three waves between April 7, 2020 and July 19, 2021, in tandem with Cure SMA COVID-19 support programs. …”
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    Effects of the COVID-19 Pandemic on SMA Screening and Care: Physician and Community Insights
  18. 65338
    “…Solar flares and accompanied coronal mass ejections are sources of space weather, which negatively affects a variety of technologies at or near Earth, ranging from blocking high-frequency radio waves used for radio communication to degrading power grid operations. …”
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    Operational prediction of solar flares using a transformer-based framework
  19. 65339
    por De Wet-Billings, Nicole
    Publicado 2023
    “…METHODS: Secondary data from the South African National Income Dynamics CRAM Survey for rounds (Waves) 1 and 5 are analysed. The study population are those respondents who reported a household member not having enough food to eat in the early stages of the pandemic (1st round) and remained without sufficient food a year later (5th round). …”
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    Perpetuation of household food insecurity during COVID-19 in South Africa
  20. 65340
    por Zoghi, Pouyan, Mafigholami, Roya
    Publicado 2023
    “…Introducing air flow increased the rate of removal, and the combination of ultrasonic waves with the reaction environment increased the process efficiency and decreased the time for the process and the amount of times it needed to be washed. …”
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    Optimisation of soil washing method for removal of petroleum hydrocarbons from contaminated soil around oil storage tanks using response surface methodology
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