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This page is currently under revision.
For the latest guidance please see the Health Officer Order (9-23-22) "Responding Together at Work and in the Community and the LA County Mask Wearing Rules and Recommendations webpage.

Updates 5-13-22: Updated to align with revised Cal/OSHA COVID-19 Emergency Temporary Standards (ETS). Effective 5/6/22, Cal/OSHA requires employers to provide respirators upon request to any employee (regardless of vaccination status) who works indoors or in vehicles with more than one person.

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Introduction

Los Angeles County is utilizing both the Centers for Disease Control and Prevention (CDC) COVID-19 Community Levels and California SMARTER Plan to guide the realignment of our local public health response to focus on reducing medically significant illness and minimizing strain on the healthcare system. See Los Angeles County Post-Surge Dashboard. The core community prevention strategies are indoor masking, testing, vaccine verification, and ventilation.

Below is a summary of requirements and best practices for businesses that host Mega Events to enhance safety for their workers, customers, and communities, and to lower the risk of COVID-19 transmission within their establishments. Mega Events include indoor events with more than 1,000 attendees and outdoor events with more than 10,000 attendees. Mega Events must follow the requirements of the LA County Health Officer Order. Examples of Mega Events include, but are not limited to conventions, conferences, expos, concerts, shows, sporting events, live entertainment, fairs, festivals, parades, amusement parks, marathons or endurance races and car shows. Operators that host smaller events should review and follow DPH Best Practice Guidance to Prevent COVID-19 in Smaller Events and Cultural Institutions.  

Please be sure to read and follow the general guidance for businesses & employers.
The specific best practices below are intended to supplement the general guidance.

Best Practices to Enhance Safety at Higher-Risk Settings
Mega event Stadium
  • Higher Risk Settings: Mega Events are higher risk for COVID-19 transmission because the attendees are spending long periods of time physically close to large numbers of people, thereby increasing the risk that respiratory particles will be transmitted between attendees and participants if someone present is infected.
  • To enhance safety and lower the risk of transmission at Mega Events, the LA County Health Officer Order strongly recommends that Indoor Mega Event operators check for proof of full vaccination against COVID-19 or a negative viral test result prior to entry. In addition, it is recommended that Outdoor Mega Event operators check for proof of full vaccination against COVID-19 or a negative viral test result prior to entry.
  • See the DPH step-by-step instructions for checking vaccination status or a negative test result.

Encourage indoor masking for employees and attendees
Wear a mask N95 respirator
  • Masks are strongly recommended indoors: Masks are strongly recommended, but no longer required in most indoor public settings. The purpose of strongly recommending continued indoor masking is to prevent transmission of the virus, particularly to persons with prolonged, cumulative exposures (e.g., workers) and to persons with higher risk of illness. Businesses may choose to continue to require universal indoor masking. See general guidance for businesses & employers for details.

  • Employees must be provided masks and respirators at no cost to the employee*:
    • In settings where masking is not required, employers must make available and offer well-fitting medical masks and respirators (e.g., N95, KN95, KF94) for voluntary use to employees who work indoors and have close contact with others or in vehicles with more than one person.
    • If a business chooses to maintain an indoor masking requirement at their worksite, employees must be provided with well-fitting medical masks.
    • Upon request, employers must provide all employees who work indoors or in vehicles with more than one person with the correct size N95 respirator for voluntary use along with basic instructions on how to use it.
    • Respirators must be replaced if they lose their tight fit or get damaged, deformed, dirty, wet, or difficult to breathe through.
    • For more information about free and low-cost PPE for businesses and organizations, visit: http://publichealth.lacounty.gov/docs/FreeAndLowCostPPE.pdf.

* Some independent contractors are considered as employees under the State Labor Code. For more details, check the California Department of Industrial Relations’ Independent contractor versus employee webpage.

Summary of mask and testing/vaccination recommendations that apply to large events
Photo identification Proof of vaccination

Risk varies based on the size of an event and whether it occurs indoors or outdoors. Outdoor events and those with lower numbers of attendees pose less of a risk of transmission compared to large, indoor events. Below is a table that describes the different rules that apply based on these two event characteristics.

Event Location Number of Attendees Masking Rules Proof of Full Vaccination (or negative test)* required for patrons?
INDOOR Under 1,000

Strongly recommended for all, regardless of vaccination status

Strongly recommended
1,000 or more
(Mega Event)

Strongly recommended for all, regardless of vaccination status

Strongly recommended
OUTDOOR** Under 10,000 Recommended for individuals at higher risk of severe illness if they cannot maintain distance from others. Recommended
10,000 or more
(Mega Event)
Recommended for individuals at higher risk of severe illness if they cannot maintain distance from others. Recommended

*A person is considered fully vaccinated for COVID-19 two weeks or more after they have received either: their second dose in a 2-dose series (Pfizer or Moderna), a single-dose of a 1-dose series (Johnson and Johnson/Janssen), or after finishing the primary series of a COVID-19 vaccine listed for use by the World Health Organization. COVID-19 testing must be conducted on a sample taken within 1 day for an antigen test and within 2 days for a PCR test prior to entry into an event.

Screen attendees
Screening
  • Screen guests, staff, performers, and crew for symptoms before they attend the event. Instruct them not to attend if they have symptoms and/or they test positive.
    • For staff, crew, and performers, have a process for screening all employees for COVID-19 symptoms. See Entry Screening.
    • For guests, ask them not to attend if they are sick, test positive and/or have been instructed to isolate.
Reduce crowding indoors
Social distancing
  • Establish procedures to prevent crowding among persons waiting to enter or exit an event. Limiting attendance, establishing unidirectional foot traffic patterns, and timed entry or exit can help prevent crowding.
  • Follow DPH Food and Beverage Service recommendations if you serve refreshments at your event. Dining outdoors is best. If indoors, it is recommended that you have a separate area in your venue for drinking and dining to reduce exposure to people who are unmasked.
Support handwashing
Wash hands
Ventilate
Improve ventilation
  • HVAC Basics. If your event is held indoors, make sure your building’s HVAC system is in good, working order. Consult with your HVAC professional.
    • Use MERV 13 filters in the HVAC system, if possible.
    • Set the HVAC system to use 100% outside air during the event, if possible.
    • Determine the number of Air Changes per Hour (ACH) provided by the HVAC system in the space during the event. A range of 2-6 ACH is recommended, with the higher range needed if less outside fresh air is coming in.
  • Supplement air cleaning. Add portable high-efficiency air cleaners to smaller areas with lower levels of ventilation.
  • When weather and working conditions allow, and when safe to do so, increase fresh outdoor air by opening windows and doors. Consider using fans to increase the effectiveness of open windows – position window fans on one side of the room and direct them to blow air outward, not inward.
  • Decrease indoor occupancy in areas where ventilation cannot be increased. Consider use of carbon dioxide monitors to monitor the effectiveness of your ventilation in more densely occupied indoor spaces.
  • If your event is held indoors and has performers that will generate aerosols (such as singers or musicians playing wind or brass instruments) take the following steps:
    • Assess the direction of the air flow in the room to determine where the air is exiting the room. In buildings with HVAC systems, this will be the air-return vents; if doors or windows are open, check the direction that the air is flowing.
    • During performances (including rehearsals), position aerosol-generating performers closer to the locations where the air is exiting the room.
  • See State Interim guidance for Ventilation, Filtration, and Air Quality in Indoor Environments.
Communicate
Communicate
  • Assign staff to remind attendees about your venue's COVID-19 safety policies.
  • Event operators are responsible for messaging, signage, and compliance with masking requirements. Post conspicuous signage that describes your COVID-19 safety policies to guests, including your venue’s policies related to masking and vaccination/test verification.
  • Use advanced registration as much as possible for your event so you know how many people will attend. Advanced registration can also help you to convey your COVID-19 safety plans to guests before they attend.
  • Use your online platforms to communicate your COVID-19 safety policies to the public.
  • Make sure all guests are aware of and follow the Los Angeles County Department of Health Travel Guidance.

 


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Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.

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