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AI model confirms vaccination is key to cutting COVID in prisons

vaccine
Credit: CC0 Public Domain

A new study has found vaccination and prompt lockdown to be the most effective strategies to minimize COVID-19 spread in prisons. However, a combination of other measures is needed to contain the spread of the disease in confined settings.

People in prison are highly vulnerable to , with major outbreaks of COVID-19 reported around the world at the height of the pandemic. Inevitable close contacts, a disproportionate burden of co-morbidities, and a high risk of broader community infection through workers and visitors mean these environments must be prioritized in public health responses to .

A team of scientists has developed an (AI)-based transmission model that can predict prison infection rates with high accuracy. Incorporating real-world data from every facility in the NSW prison system, the new findings add weight to current theoretical models.

The paper is published in the journal PLOS ONE.

Lead author on the study, the University of South Australia's Dr. Neil Bretaña, says the model shows that while vaccination was instrumental in reducing the spread of the virus, additional measures were necessary to halt the disease.

"The most effective strategies were a combination of vaccination and prompt lockdown of centers upon detection of an infection, which reduced outbreak size by 62–73%," Dr. Bretaña says. "Other measures that reduced virus spread included quarantining inmates upon entry, isolating proven or suspected cases, and using personal protective equipment such as masks."

Dr. Bretaña says mathematical models have been widely used to inform throughout the COVID-19 pandemic. However, they generally lacked real world data to validate their accuracy. Within the prison system, previous modeling tended to focus on individual prisons.

"Our modeling incorporated data from NSW's entire system, comprising 33 centers, 13,458 inmates and 7487 workers. Its accuracy was validated by the major delta outbreak of August–September 2021, where it predicted very similar case rates to what occurred," Dr. Bretaña says.

"The COVID-19 pandemic has shown the importance of public health planning to effectively mitigate disease spread. This study also shows that collaboration with is important to inform evidence-based policy decisions. Our findings have been used by Corrective Services NSW as a basis for their intervention protocols. The model can also be extended to emerging COVID-19 variants, as well as other similarly transmissible respiratory pathogens—helping us to prepare for future outbreaks such as the bird flu, H5N1."

More information: Neil Arvin Bretaña et al, Controlling COVID-19 outbreaks in the correctional setting: A mathematical modelling study, PLOS ONE (2024). DOI: 10.1371/journal.pone.0303062

Journal information: PLoS ONE
Citation: AI model confirms vaccination is key to cutting COVID in prisons (2024, May 31) retrieved 21 July 2024 from https://medicalxpress.com/news/2024-05-ai-vaccination-key-covid-prisons.html
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