Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
Systematic review	1544 women 3 RCTs in this analysis	Adverse effects 97/774 (13%) with antivirals 92/770 (12%) with placebo	RR 1.06 95% CI 0.81 to 1.38 P = 0.67		Not significant
Systematic review	Number of people not reported	Major adverse effects with antivirals with placebo Absolute results not reported	RR 0.97 95% CI 0.27 to 3.74 P = 0.67		Not significant
Systematic review	Number of people not reported	Minor adverse effects with antivirals with placebo Absolute results not reported	RR 1.02 95% CI 0.79 to 1.33 P = 0.87		Not significant