Final answer:
Second-generation cephalosporins cover a range of bugs including gram-negative bacteria. They are effective against certain Enterobacteriaceae, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Haemophilus influenzae, and Neisseria species.
Step-by-step explanation:
Second-generation cephalosporins cover a range of bugs including gram-negative bacteria. They have a broader spectrum of activity compared to first-generation cephalosporins and are effective against certain Enterobacteriaceae, including Escherichia coli and Klebsiella pneumoniae.
For example, cefuroxime is a second-generation cephalosporin that is used to treat urinary tract infections, respiratory tract infections, and skin and soft tissue infections caused by susceptible bacteria.
Other bugs covered by second-generation cephalosporins include Proteus mirabilis, Haemophilus influenzae, and Neisseria species.