Animal experiments on respiratory viruses and analogous studies of infection factors for interpersonal transmission

• Published in: Environmental science and pollution research international Vol. 30; no. 24; pp. 66209 - 66227
• Main Authors: Liao, Yuxuan, Guo, Shurui, Mao, Ning, Li, Ying, Li, Jin, Long, Enshen
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-05-2023; Springer Nature B.V
• Subjects: Air pollution; Animal Experimentation; Animals; Aquatic Pollution; Atmospheric Protection/Air Quality Control/Air Pollution; Conservation of Natural Resources; COVID-19; Data analysis; Earth and Environmental Science; Ecotoxicology; Environment; Environmental Chemistry; Environmental governance; Environmental Health; Environmental indicators; Environmental Policy; Environmental science; Epidemics; Human settlements; Humans; Indoor air quality; Indoor environments; Infections; Interpersonal communication; Personal communication; Research Article; SARS-CoV-2; Severe acute respiratory syndrome coronavirus 2; Viral diseases; Viruses; Waste Water Technology; Water Management; Water Pollution Control; Quanta; Wells-Riley model; Animal experiments; Viral transmission; Analogous model; Finite space
• ISSN: 1614-7499; 0944-1344; 1614-7499
• DOI: 10.1007/s11356-023-26738-3

Air pollution caused by SARS-CoV-2 and other viruses in human settlements will have a great impact on human health, but also a great risk of transmission. The transmission power of the virus can be represented by quanta number in the Wells-Riley model. In order to solve the problem of different dynamic transmission scenarios, only a single influencing factor is considered when predicting the infection rate, which leads to large differences in quanta calculated in the same space. In this paper, an analog model is established to define the indoor air cleaning index RL and the space ratio parameter. Based on infection data analysis and rule summary in animal experiments, factors affecting quanta in interpersonal communication were explored. Finally, by analogy, the factors affecting person-to-person transmission mainly include viral load of infected person, distance between individuals, etc., the more severe the symptoms, the closer the number of days of illness to the peak, and the closer the distance to the quanta. In summary, there are many factors that affect the infection rate of susceptible people in the human settlement environment. This study provides reference indicators for environmental governance under the COVID-19 epidemic, provides reference opinions for healthy interpersonal communication and human behavior, and provides some reference for accurately judging the trend of epidemic spread and responding to the epidemic.