Table 5. Anecdotal reports of Streptococcus pneumoniae isolated from different mammalian species.

Animals	Number of infected animals	Outbreak	Serotypes	Laboratory animals	Year	Source
guinea pigs	39	yes	19	yes	1945	Homburger et al. [33]
rats	71	yes	2	yes	1950	Mirick et al. [18]
rats	254	yes	8	yes	1965	Ford [19]
rats	156	no	2, 3, 19	yes	1969	Weisbroth and Freimer [20]
rats	32	no	3	yes	1971	Mitruka [21]
mice, rats	9,10	yes	35	yes	1988	Fallon et al. [34]
horses	10	no	3	no	1988	Huber and Willoughby [15]
horses	11	no	3	no	1999	Whatmore et al. [16]
cat	1	no	n.d.	no	2006	Zhang et al. [14]

n.d: no data.