Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: "This is really like waiting for war and this is not good" - Intertwining between pandemic experiences, and the development of professional action of healthcare professionals in critical care at the beginning of the COVID-19 pandemic in Germany: a qualitative study
Acute Respiratory Distress Syndrome is associated with impaired alveolar macrophage efferocytosis
A Machine Learning Ensemble Based on Radiomics to Predict BI-RADS Category and Reduce the Biopsy Rate of Ultra-sound-Detected Suspicious Breast Masses
COVID-19 deaths and hospitalizations averted by rapid vaccination rollout in the United States
Efficacy and Safety of Viable Selective Germline Genome  Edited Pigs Skin Xenotransplants in Patients with Thermal Burns
Validation of a Multi-Ancestry Polygenic Risk Score and Age-Specific Risks of Prostate Cancer: A Meta-analysis Within Diverse Populations
Effect of evidence updates on key determinants of measles vaccination impact: a DynaMICE modelling study in ten high-burden countries
Service-user experiences of an integrated psychological intervention for depression or anxiety and tobacco smoking in IAPT: A qualitative investigation into mechanisms of change in quitting smoking
Strategic Treatment Optimization for HCV (STOPHCV1): a randomised controlled trial of ultrashort duration therapy for chronic hepatitis C
Tocilizumab in hospitalized COVID-19 patients: A meta-analysis of randomized controlled trials
Hidden fraction of Polish population immune to SARS-CoV-2 in May 2021
Assessing the Effects of Behavioral Circadian Rhythm Disruption in Shift-Working Police Academy Trainees
Association between Preventive Measures against Workplace Infection and Preventive Behavior against Personal Infection
The effect of including the Nordic Hamstring exercise on sprint and jump performance in athletes: protocol of a systematic review and meta-analyses
SARS-CoV-2 Exposures of Healthcare Workers from Primary Care, Long-Term Care Facilities and Hospitals: A Nationwide Matched Case-Control Study
Substantial SF-36 score differences according to the mode of administration of the questionnaire: an ancillary study of the SENTIPAT multicenter randomized controlled trial comparing web-based questionnaire self-completion and telephone interview
Increasing but inadequate intention to receive Covid-19 vaccination over the first 50 days of impact of the more infectious variant and roll-out of vaccination in UK: indicators for public health messaging
Genetic diversity and spatiotemporal distribution of SARS-CoV-2 alpha variant in India
Natural immunity against COVID-19 significantly reduces the risk of reinfection: findings from a cohort of sero-survey participants
Power law behaviour in the saturation regime of fatality curves of the COVID-19 pandemic
Negative SARS-CoV-2 PCR or rapid antigen test result and the subsequent risk of being infectious: a mathematical simulation study
Monitoring the proportion infected by SARS-CoV-2 from age-stratified hospitalisation and serological data
Continuous Severity Assessment Of Pulmonary Edema On Chest X-ray Using Siamese Convolutional Networks
Engagement of health workers and peer educators from the National Adolescent Health Programme-Rashtriya Kishor Swasthya Karyakram during the COVID-19 pandemic: findings from a situational analysis
Ensemble model estimates of the global burden of measles morbidity and mortality from 2000 to 2019: a modeling study
Seroprevalence of anti-SARS-CoV-2 IgG and IgA antibodies before the launch of COVID-19 vaccination in Kazakhstan.