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. 2021 Oct 1;9(10):1120. doi: 10.3390/vaccines9101120

Table 4.

Recorded symptoms in screened individuals with active SARS-CoV-2 infection, with serological signs of previous infection and without any SARS-CoV-2 contact documented by laboratory results.

Recorded Symptom Individuals with Active SARS-CoV-2 Infection (n = 61) Individuals with Previous SARS-CoV-2 Infection (n = 113) Individuals without Active or Previous SARS-CoV-2 Infection (n = 278)
Headache 3 2 2
Joint and muscular pain 1 - 2
Flu-like symptoms 1 2 -
Sore throat - 2 2
Recent history of fever/chills 4 - 3
Loss of smell/taste 2 - 1
Fatigue 1 - -
Rash - - 1

Only absolute numbers are presented. Statistical analysis was not performed as medical history had not been systematically recorded.