einstein (São Paulo). 23/Jul/2025;23:eCE1711.
Comment to: Face mask use and viral load in patients with mild symptoms of COVID-19
DOI: 10.31744/einstein_journal/2025CE1711
Dear Editor,
A recent study by Costa et al.() investigated the association between facemask usage and SARS-CoV-2 viral load in individuals with mild COVID-19 symptoms. This cross-sectional study, conducted at a public emergency care facility in Belo Horizonte, Brazil, aimed to explore whether the regular use of facemasks is correlated with lower viral loads in infected individuals. The principal findings revealed a significantly lower probability of high SARS-CoV-2 viral load in individuals who regularly wore masks than those who did not, thereby prompting further discussion within the scientific community.()
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Comment to: Face mask use and viral load in patients with mild symptoms of COVID-19
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