COVID 19 infections resulted in huge impact in the etiology of bacterial infections in patients during post COVID 19 period. In this context, the present study evaluated the post COVID 19 K. pneumoniae from both COVID 19 recovered cases as well as from non- COVID 19 cases but infected by K. pneumoniae. Cases studied were 696 during the period between July 2022 and December 2022 from three districts namely Madurai, Dindigul and Sivagangai. This article reports the impact of age on COVID 19 infections and the conditions preluding for K. pneumonia infections. Among 696 cases, most number of cases (20%; 139 of 696) was recorded in the month of September 2022 and only 14% (97 of 696) were recorded during the month of December 2022. Among 696 cases, 188 (27% of 696) were from the age group of 21- 30 years and least number of cases was recorded in the age group of 91-100 years old. During the study period, female were observed to be highly infected ( 68% ) by K. pneumoniae than by male (32% ) patients.