10. Ecoli can cause respiratory illness. Cornybacterium diphtheria causes thick covering in the back of the throat. It can lead to difficulty in breathing.
Streptococcus pneumonia and hemophillus influenza both causes respiratory infection . So option 1 and 2 are correct.
12. This kind of infection can occur in the people have low defensive virulence factors
. Verizon 11:36 AM Review Test 1: Attempt 4 Timed Test Question 10 Examples of infections...