1. The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid- ............. .

1300s

1400s

1500s

1900s

2. The plague arrived in Europe in October ................ .

1347

1658

1458

1453

3. in the early ............... , the disease had struck China, India, Persia, Syria, and Egypt.

1340s

1354s

1368s

1236s

4. the French biologist Alexandre Yersin discovered this germ at the end of the .............. century.

19th

15th

17th

18th

5. They know that the bacillus travels through the bite of infected ................ .

fleas and rats

cats

dogs

birds

6. recent research has indicated the pathogen responsible for the Black Death may have existed in Europe as early as ............... B.C.

3000

2000

1000

5000