Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: The second COVID-19 emergency status declaration for Japan: effects as of February 7, 2021
Using Survey Data to Estimate the Impact of the Omicron Variant on Vaccine Efficacy against COVID-19 Infection
Tracking mutational semantics of SARS-CoV-2 genomes
The Economic Costs of Child Maltreatment in UK
Passive surveillance assesses compliance with COVID-19 behavioral restrictions in a rural US county
A Rapid Saliva Test for Monitoring Immune Protection against SARS-CoV-2 and its Variants
Muscle Strength and Muscle Mass as Predictors of Hospital Length of Stay in Patients with Moderate to Severe COVID-19: A Prospective Observational Study
Effect of two methods of soft tissue augmentation for socket closure on soft tissue landmarks and ridge dimensions- Results from software-based analysis of clinical data
The burden of COVID-19 and Case Fatality Rate in Pune India: An Analysis of First and Second Wave of the Pandemic
Favorable outcome on viral load and culture viability using Ivermectin in early treatment of non-hospitalized patients with mild COVID-19, A double-blind, randomized placebo-controlled trial.
Emergence of porcine delta-coronavirus pathogenic infections among children in Haiti through independent zoonoses and convergent evolution
OraSure InteliSwab Rapid Antigen Test performance with the SARS-CoV-2 Variants of Concern Alpha, Beta, Gamma, Delta, and Omicron
Estimated Spike Evolution and Impact of Emerging SARS-CoV-2 Variants
High rates of diabetes and pre-diabetes in postpartum period in Indian GDM women
Speech disturbances in schizophrenia: assessing cross-linguistic generalizability of NLP automated measures of coherence
Antibody Attributes that Predict the Neutralization and Effector Function of Polyclonal Responses to SARS-CoV-2
ASSOCIATION BETWEEN PERIODONTITIS AND METABOLIC SYNDROME IN A FAMILY HEALTH UNIT IN SALVADOR-BA
Evaluating growth pattern and assessing future scenario of COVID-19 epidemic of India
Immune Markers Are Associated with Cognitive Performance in a Multiethnic Cohort: the Northern Manhattan Study
Characterizing the COVID-19 illness experience to inform the study of post-acute sequalae and recovery: a qualitative study
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery, a comprehensive systematic review and meta-analysis
Sleep problems effect on developmental trajectories in children with autism
Incidence of SARS-CoV-2 infection according to baseline antibody status in staff and residents of 100 Long Term Care Facilities (VIVALDI study)
Protection afforded by the BNT162b2 and mRNA-1273 COVID-19 vaccines in fully vaccinated cohorts with and without prior infection
Deterioration of patients with mental disorders in Denmark coinciding with the invasion of Ukraine
Developing a deep learning system to drive the work of the critical care outreach team