Authors (in order)

Schwellnus

et al.,

(2021)

Petracek

et al.,

(2021)

Petek

et al.,

(2021)

Moulsen

et al.,

(2021)

Martinez

et al.,

(2021)

Krzywanski

et al.,

(2021)

Hull

et al.,

(2021)

Brito

et al.,

(2021)

COVID-19 status

PCR +ve (N = 37),

Positive antibodies (N = 3)

PCR and antibody test

Tests via PCR, antigen or antibodies

PCR

(N = 2465),

Antigen

(N = 234) or antibody

(N = 263) testing,

Asymptomatic excluded

Asymptomatic excluded, PCR and antibody testing used

Asymptomatic excluded

Assumed positive

(N = 76),

PCR or antibody testing

(N = 71),

Asymptomatic excluded

Symptomatic (N = 38),

Asymptomatic (N = 16)

Severity of COVID-19

Full list of COVID symptoms

Mild symptoms including anosmia, cough, sore throat, headache and fatigue

Categorised symptoms as Mild, Moderate and cardio- pulmonary

Asymptomatic

(N = 887),

Mild

(N = 839),

Moderate

(N = 663),

Cardio- pulmonary

(N = 337)

Preceding viral symptoms

(N = 460),

Asymptomatic

(N = 329)

Mild

(N = 93),

Moderate

(N = 2)

Not mentioned

Fatigue outcome

Extensive fatigue (N = 45),

Moderate fatigue (N = 30)

40 on Wellness score, 6 months post infection diagnosed with CFS

Exertional fatigue (N = 32),

Persistent symptoms 3 weeks disease onset (N = 15)

Assessed fatigue as mild symptoms

Fatigue observed

(N = 5)

Tiredness

(N = 62)

N = 69

(<28 days), N = 15

(>28 days)

1/4 symptomatic patients had fatigue