Table 1.

Health outcome transition rates and mortality rates for Q fever and influenza A(H1N1)pdm09

Health outcome	Transition rate	Mortality rate
Q fever
Symptomatic acute illness (mild)	Of infected:	Of symptomatic:
	<15 yr: 12·5% [31]*	0·24% [2, 32] to 0·25% [2]
	⩾15 yr: 15·7% [9, 22]*
Symptomatic acute illness (severe)	Of infected:	Of symptomatic:
	⩾15 yr: 24·3% [9, 22]*	0·24% [2, 32] to 0·25% [2]
Asymptomatic	Of infected:	Of asymptomatic: 0%
	<15 yr: 87·5% [31]*
	⩾15 yr: 60% [9]*
Post-infectious fatigue syndrome (mild)	Of symptomatic:	Of post-infectious fatigue syndrome: 0%
	27·7% [8, 33] to 27·8% [8, 34]
Post-infectious fatigue syndrome (severe)	Of symptomatic:	Of post-infectious fatigue syndrome: 0%
	16·2% [34] to16·3% [33]
Asymptomatic chronic Q fever	Of all infected:	0%
	1·60% [35]*
Symptomatic chronic Q fever: endocarditis	Of asymptomatic chronic Q fever:	Of symptomatic chronic Q fever: 5% [9]*
	73·1% [36] (60% [9] to 75% [26])
Symptomatic chronic Q fever: vascular infection	Of asymptomatic chronic Q fever:	Of symptomatic chronic Q fever: 5% [9]*
	8% [36]*
Influenza A(H1N1)pdm09
Symptomatic acute illness for A(H1N1)pdm09	Of infected:	Absolute numbers by age categories
	100%
Permanent disability due to acute respiratory distress syndrome (ARDS)	Of symptomatic:	Of ARDS with permanent disability: 0%
	0·038% [23, 37]*
Permanent disability due to otitis media (deafness)	Of symptomatic:	Of deafness: 0%
	0·000 039% [13, 38]*
Permanent disability due to sepsis	Of symptomatic:	Of sepsis with permanent disability: 0%
	0·025% [21, 23]*

^*Only one point estimate was found in the literature. To reduce artificial certainty a distribution range was taken between 90% and 110% values of the point estimate.