Table 1.

Detail of pre-symptomatic and asymptomatic transmission of COVID-19 in contacts within 24 h prior to appearance of symptoms or confirmation of infection

	Total contacts	Average contacts	Min–Max	Infection transmitted	Infection not transmitted	Mean days from confirmation	Min–Max
Total (n = 201)	7168	35.66	4–87	64 (0.89%)	7104 (99.11%)	84.0 ± 43.0	23–200
Pre-symptomatic (n = 155)	5611	36.20	4–87	63 (1.12%)	5548 (98.88%)	85.32 ± 43.5	24–210
Asymptomatic (n = 46)	1557	33.85	6–84	1 (0.06%)	1556 (99.94%)	82.74 ± 42.5	23–180