Table 1.

Summary of Latent Tuberculosis Infection Treatment Guidelines in the General Population

Guidelines (Publication Date)	3HP	1HP	4R	3HR	9H	6H
NTCA/CDC (February 2020) [19]	Preferred	No specific recommendation made	Preferred	Preferred	Alternative	Alternative
WHO TB Preventative Therapy (2020) [1]	Preferred	Alternative	Alternative	Preferred	Preferred	Preferred

Abbreviations: CDC, Centers for Disease Control and Prevention; NTCA, National Tuberculosis Controller’s Association; TB, tuberculosis; WHO, World Health Organization; 6H, 6 months of daily isoniazid (INH); 9H, 9 months of daily INH; 1HP, 1 month of daily INH + rifapentine (RPT); 3HP, 3 months of weekly INH + RPT; 3HR, 3 months of daily INH + rifampin (RIF); 4R, 4 months of daily RIF.