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Table 1.

Inclusion and exclusion criteria for the review.

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Table 2.

Search strategy.

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Table 2 Expand

Fig 1.

PRISMA flow diagram.

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Table 3.

Key characteristics of included studies.

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Fig 2.

The prevalence of food insecurity in the included studies before and during the pandemic.

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Table 4.

Summary of results reported across the included studies.

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Table 4 Expand