The presence of ________ can be used to distinguish Staphylococcus from other Gram-positive cocci

Influenza A virus has two types of protein spikes

A 28-year-old female anthropology graduate student returns from her trip to Brazil, where she spent the summer in the Amazon rainforest.  During her trip she suffered multiple bug bites and after four days had stopped using her bed net because it was too hot and she was getting bit so much in the daytime anyway.   About a week after her return she wakes up at night with chills, sweating with fever.  She assumes she picked up a virus during her travels and takes Tylenol to get though the night.  The next day she is feeling better, but a days later the symptoms recur.   She schedules an appointment with her physician.  He requests urine and blood samples.  As she places the specimen cup with urine in the wall cabinet to the lab, she notices her urine is very dark.  

Severe frothy diarrhea with a “rotten-egg” smell accompanied by abdominal pain, bloating, and fever are signs and symptoms consistent with

Which of the following viruses can establish a chronic infection of the liver which may progress to liver cancer?

A 28-year-old female anthropology graduate student returns from her trip to Brazil, where she spent the summer in the Amazon rainforest.  During her trip she suffered multiple bug bites and after four days had stopped using her bed net because it was too hot and she was getting bit so much in the daytime anyway.   About a week after her return she wakes up at night with chills, sweating with fever.  She assumes she picked up a virus during her travels and takes Tylenol to get though the night.  The next day she is feeling better, but a days later the symptoms recur.   She schedules an appointment with her physician.  He requests urine and blood samples.  As she places the specimen cup with urine in the wall cabinet to the lab, she notices her urine is very dark.  

Traveler’s diarrhea is caused by

Dengue virus is transmitted by

Viruses require ______ for growth

During ________, viruses remain dormant in animal cells.