From: Efficacy of two siddha polyherbal decoctions, Nilavembu Kudineer and Kaba Sura Kudineer, along with standard allopathy treatment in the management of mild to moderate symptomatic COVID-19 patients—a double-blind, placebo-controlled, clinical trial
Ct values
Arm I: Placebo
Mean (SD)
Arm II: NVK
Arm III: KSK
P value
Day 0 (n=38, 37, 39)
20.5 (4.3)
21.2 (2.8)
20.8 (4.3)
0.56
Day 3 (n=34, 33, 35)
25.1 (3.79)
31.5 (5.11)
33.1 (4.57)
0.0001