Viridot: An automated virus plaque (immunofocus) counter for the measurement of serological neutralizing responses with application to dengue virus.

Katzelnick LC, Coello Escoto A, McElvany BD, Chávez C, Salje H, Luo W, Rodriguez-Barraquer I, Jarman R, Durbin AP, Diehl SA, Smith DJ, Whitehead SS, Cummings DAT