Periplaneta americana better known as the American cockroach is a pest found around the world. Most people dislike them and cringe at the mere sight of them. Well maybe except that one Japanese man (Yuta) who dated a cockroach (Lisa) for a year. That is a rare case though and most people don't like roaches much less date them. If anything they are uninvited guests in homes, hotels, restaurants and even hospitals. They are a nuisance and excellent mechanical vector, spreading bacteria in their wake. This is supported by a study done in Palu, Indonesia. Where roaches found in three hospitals were tested for the presence of bacteria. Astiti et al (2018), found that the roaches were harboring the following bacteria.
Escherichia coli, Salmonella arizonae, Salmonella sp, Klebsiella ozaenae, Salmonella simultaneous and
Salmonella choleraesuis. All of the previously mentioned bacteria were tested and were found to be resistant to amoxicillin.
Salmonella choleraesuis, Klebsiella ozaenae, and
Escherichia coli were also found to be resistant to chloramphenicol. This is significant because these antibiotics are often the treatment of choice in Palu, Indonesia. This is just another reason to dislike roaches.
Table 1: Shows the 6 types of bacteria present in the roaches found at the hospital.
Original article: Astiti, P. M. A., Bialangi, M., & Kundera, I. N. (2018). Identification of bacteria on Cockroach feet from Hospital area in Palu city and test of sensitivity to antibiotic. IOP Conference Series: Materials Science and Engineering, 434, 012123. doing: 10.1088/1757-899x/434/1/012123
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