MeSH	Medical Subject Headings
Non-MeSH	Nonmedical Subject Headings
COVID-19	Coronavirus Disease 2019
SARS-CoV-2	Severe Acute Respiratory Syndrome Coronavirus 2
WHO	World Health Organization
OHCA	Out-Of-Hospital Cardiac Arrest
CPR	Cardiopulmonary Resuscitation
EMS	Emergency Medical Services
EMT	Emergency Medical Technician
ROSC	Return of Spontaneous Circulation
PPE	Personal Protective Equipment
CSV	Comma-Separated Values
BCPR	Bystander Cardiopulmonary Resuscitation
AEDs	Automated External Defibrillators
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
TOR	Termination of Resuscitation
CFR	Community First Responder
CI	Confidence Interval
SD	Standard Deviation
MI	Myocardial Infarction
NYC	New York City
OR	Odd Ratios
CARES	Cardiac Arrest Registry to Enhance Survival
ARR	Adjusted Rate Ratio
AGP	Aerosol Generating Procedures
DHSC	Department of Health and Social Care
CDC	Centres for Disease Control and Prevention
AHA	American Heart Association
NRC	National Resuscitation Councils
ACEM	Australian College of Emergency Medicine
NHS	National Health Service
ILCoR	International Liaison on Resuscitation
HEPA	High-Efficiency Particulate Air
HCWS	Health Care Workers
ERC	European Resuscitation Council
CAP	Carotid Artery Pulsations
AGMP	Aerosol Generating Medical Procedure
HME	Heat Moisture Exchanger
HVAC	Heating, Ventilation, and Air Conditioning