Episode 2

New characters

 * Staphylococcus aureus
 * Campylobacter
 * Streptococcus pyogenes
 * Pseudomonas
 * U-2001
 * U-4989
 * U-2048
 * Pneumonia coccus (sibling of one killed last episode)

Returning characters

 * AE3803
 * AA5100
 * Platelet
 * U-1146