The impact of influenza on the ability to work, volunteer and provide care: results from an online survey of Canadian adults 50 years and older.

BMC Public Health · 2022 · PMC9673206 · PMID 36401213

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quite significantno p-value reported

Although the impact of infection on volunteering and unpaid caregiving is rarely included in the evaluation of potential vaccination impact, the economic value of each is quite significant [ 20 , 21 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.