Samacheer Kalvi · 11th TN - English Medium · Bio Zoology · Page 70poem

COCKROACHES

Chapter 4: Chapter 4 · Bio Zoology · EN medium

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COCKROACHES • Cockroaches are known to carry diseases like dysentery, typhoid and poliomyelitis, as well as gastroenteritis. • Study (NCICAS) – percent to percent of urban residents with asthma are sensitive to the cockroach allergens. • Cockroaches have been implicated in the spread of kinds of bacteria, including E. coli and Salmonella species, six parasitic worms and more than seven other types of human pathogens. Various kinds of Cockroach

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