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infection risk

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Model Perspective

May 28, 2024 · Fundamentals

How the Wells‑Riley Equation Predicts Flu Spread in Enclosed Spaces

This article explains the Wells‑Riley mathematical model for estimating airborne infection risk, outlines its key assumptions and parameters, walks through a classroom case study, and shows how ventilation and exposure time influence the predicted number of flu infections.

Wells-Rileyairborne transmissionepidemiology

0 likes · 6 min read

How the Wells‑Riley Equation Predicts Flu Spread in Enclosed Spaces

JD Tech Talk

Nov 3, 2020 · Big Data

Efficient Detection of Suspected Infected Crowds Using Spatio‑Temporal Trajectory Analysis

The article presents a novel spatio‑temporal trajectory risk metric and an efficient query framework, including a space‑first index (SFT) and distributed storage, to identify high‑risk contacts of COVID‑19 patients from massive movement data, with real‑world deployment results in several Chinese cities.

Big DataCOVID-19Indexing

0 likes · 12 min read

Efficient Detection of Suspected Infected Crowds Using Spatio‑Temporal Trajectory Analysis