Microorganism Time of storage
S.pneumonia Day 0
Viridian streptococcus Day 5
Viridian streptococcus Day 2
Viridian streptococcus Day 4
S.pneumonia Day 0
S.auraus Day 4
S.auraus Day 3
S.auraus Day 2
Coagulase negative staphylococcus Day 5
Coagulase negative staphylococcus Day 4
K.pneumonia Day 8
S.typhi Day 0
E.coli Day 9
E.coli Day 10
K.pneumonia Day 12
Table 1: The isolated microorganisms and time of storage at Debre Markos and Fenote Selame hospital, North West Ethiopia, February 2013 to June 2013.