Table 2.

Microbiome analysis detected bacterial species pathogenic to humans and not previously reported in ticks.

Pathogen	# of ticks infected	# coinfected with B. burgdorferi	Description
Chryseobacterium indologenes	3 (2.3%)	2	Opportunistic; can infect immunocompetent humans; exhibits resistance to multiple antibiotics (Hsueh et al., 1996; Cascio et al., 2005; Lin et al., 2010; Chou et al., 2011; McKew, 2014)
Pseudomonas putida	22 (17.2%)	14	Associated with trauma or immunocompromised state; lethal in rare cases (Carpenter et al., 2008; Thomas et al., 2013)
Rhodococcus erythropolis	15 (11.7%)	10	Infects immunocompromised individuals (Vernazza et al., 1991; Bagdure et al., 2012)
Streptococcus suis	2 (1.6%)	2	Can cause systemic disease in humans (Huong et al., 2014)