Why are GPs spending thousands of dollars on air purifiers?

Dr Bernard Shiu has purchased eight HEPA filters for his practice, saying preventing one infection among his staff will make it worthwhile

GPs are spending thousands of dollars on air purifiers in the hope they will give staff and patients an extra layer of protection against COVID-19.   

Dr Bernard Shiu
Dr Bernard Shiu.

Geelong practice owner Dr Bernard Shiu is one of them.   

He has purchased eight high-efficiency particulate air (HEPA) filters — one for each of his six consulting rooms,

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