期刊
FRONTIERS IN MICROBIOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2021.810142
关键词
concentrated animal feeding operation (CAFO); zoonosis; emerging infection; public health; epidemiology
类别
资金
- Guangdong Major Project of Basic and Applied Basic Research [2020B0301030007]
- National Natural Science Foundation of China [31820103014, U1901208]
- 111 Project [D20008]
- Innovation Team Project of Guangdong University [2019KCXTD001]
Animal farming intensification and concentrated animal feeding operations have led to heavy environmental contamination and increased transmission of zoonotic pathogens, causing changes in disease patterns and outbreaks in both humans and farm animals.
Animal farming has intensified significantly in recent decades, with the emergence of concentrated animal feeding operations (CAFOs) in industrialized nations. The congregation of susceptible animals in CAFOs can lead to heavy environmental contamination with pathogens, promoting the emergence of hyper-transmissible, and virulent pathogens. As a result, CAFOs have been associated with emergence of highly pathogenic avian influenza viruses, hepatitis E virus, Escherichia coli O157:H7, Streptococcus suis, livestock-associated methicillin-resistant Staphylococcus aureus, and Cryptosporidium parvum in farm animals. This has led to increased transmission of zoonotic pathogens in humans and changes in disease patterns in general communities. They are exemplified by the common occurrence of outbreaks of illnesses through direct and indirect contact with farm animals, and wide occurrence of similar serotypes or subtypes in both humans and farm animals in industrialized nations. Therefore, control measures should be developed to slow down the dispersal of zoonotic pathogens associated with CAFOs and prevent the emergence of new pathogens of epidemic and pandemic potential.
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