Livingston County Health Department issued the following announcement on July 31.
You might feel healthy, but the reality is this: about 40% of people who have COVID-19 may be asymptomatic.
That means almost one out of every two people could be infected. They might not know it until it is too late for you. #MaskUpMichigan
Source: https://www.acpjournals.org/doi/10.7326/M20-3012
Original source can be found here.
Source: Livingston County Health Department
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