Adjective
multibacillary (not comparable)
Involving more than one type of bacillus.
While for multibacillary (MB or lepromatous) cases, treatment with daily dapsone and clofazimine along with monthly rifampicin for twelve months is recommended. Source: Internet
The two main types of disease are based on the number of bacteria present: paucibacillary and multibacillary. Source: Internet