Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
Principles of Disease Surveillance01:26

Principles of Disease Surveillance

Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Introduction to Epidemiology01:26

Introduction to Epidemiology

Epidemiology, known as the cornerstone of public health, involves studying the distribution and determinants of health-related events in defined populations and applying these insights to control health issues. This is essential for understanding how diseases spread, identifying populations at greater risk, and implementing measures to control or prevent outbreaks. Epidemiology addresses not only infectious diseases but also non-communicable conditions like cancer and cardiovascular disease,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A qualitative study of multilevel resilience mechanisms to counter intersectional stigma among black men who have sex with men in a Southern United States city.

Discover public health·2026
Same author

Differential inhibition of the diverse behavioural effects of mu-opioid receptor agonists by progressive receptor depletion.

Neuropharmacology·2026
Same author

The second source of 2,3,7,8-tetrachlorodibenzo-p-dioxin in Lower Passaic River, NJ, USA sediments.

Environmental toxicology and chemistry·2026
Same author

Smoke Flavoring-a case study demonstrating the value of using Benefit-risk analysis for foods (BRAFO) to provide transparency for risk management decisions.

Regulatory toxicology and pharmacology : RTP·2026
Same author

Geographic Marginalization and Pediatric Health.

Academic pediatrics·2025
Same author

Spontaneous tail movements during general anaesthesia after lumbosacral epidural morphine-bupivacaine in a dog.

Veterinary anaesthesia and analgesia·2025

Related Experiment Video

Updated: Jun 20, 2026

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
07:13

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

Published on: April 9, 2021

COVID-19 alert level systems-Lessons learnt for future public health emergencies: A qualitative study.

Hana Rohan1, Aaron F Bochner2, Lauren Brown2

  • 1Georgetown University, Washington, District of Columbia, United States of America.

Plos One
|June 18, 2026
PubMed
Summary

Alert Level Systems (ALS) effectively communicated COVID-19 risks but faced challenges with data access and community engagement. Future systems need clear goals, evidence-based measures, and strong public involvement for epidemic preparedness.

More Related Videos

Remote Laboratory Management: Respiratory Virus Diagnostics
14:56

Remote Laboratory Management: Respiratory Virus Diagnostics

Published on: April 6, 2019

Related Experiment Videos

Last Updated: Jun 20, 2026

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
07:13

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

Published on: April 9, 2021

Remote Laboratory Management: Respiratory Virus Diagnostics
14:56

Remote Laboratory Management: Respiratory Virus Diagnostics

Published on: April 6, 2019

Area of Science:

  • Public Health
  • Epidemiology
  • Risk Communication

Background:

  • Alert Level Systems (ALS) were widely used during the COVID-19 pandemic to convey risk and guide public health and social measures (PHSMs).
  • The effectiveness of ALS in disease mitigation and their influence on public health strategies remain under-evaluated.
  • This research assesses perceptions of ALS implementation globally to inform future emergency responses.

Purpose of the Study:

  • To evaluate the perceived effectiveness and challenges of Alert Level Systems (ALS) implementation during the COVID-19 pandemic.
  • To identify key lessons learned from diverse jurisdictions for improving future public health emergency preparedness.
  • To provide recommendations for optimizing ALS design and governance.

Main Methods:

  • Remote key informant interviews with senior stakeholders involved in ALS development and implementation.
  • Study included eight diverse jurisdictions: California (US), New Zealand, Philippines, Brazil, Singapore, South Africa, UK, and US.
  • Thematic analysis was used to synthesize insights on ALS strengths, challenges, and lessons.

Main Results:

  • Key informants viewed ALS as valuable for risk communication and PHSM adherence due to simplicity and transparency.
  • Significant challenges included unreliable data access, unclear objectives, and inadequate community engagement.
  • Integration of social, economic, and epidemiological data, along with pre-existing governance and feedback mechanisms, were identified as crucial for improvement.

Conclusions:

  • ALS can be effective public health tools for future epidemics if designed with clear objectives, evidence-based PHSMs, and robust community engagement.
  • Proactive development of ALS structures and governance is essential for enhanced epidemic preparedness.
  • Transparent and adaptable decision-making is vital for maintaining public trust during health crises.