Not too easy. Not too difficult.
Use microbiology2.com for free instead of book. Vast majority of info comes from the slides. His lectures are interesting, tests are fair, the lab is ok.
Best way to study is through flashcards and guides for both lecture and lab. That requires some work but you can get an A.
Hours per week:
Advice for students:
Take this class in the summer, as some material removed in lab and lec.