MasterCard and Visa are accepted by nearly all merchants in Peru. However, in general, it's best to use cash when buying things like snacks, drinks, meals and small items.
The standard voltage in Peru is 220V. There are two plug types in Peru: Types A and C.
It's recommended to have gotten the following vaccinations before visiting Peru: Measles, Polio, measles-mumps-rubella, diphtheria-tetanus-pertussis, Chickenpox, and your yearly flu shot. Additional vaccinations you should get are Hepatitis A, Typhoid, Cholera, Hepatitis B, Japenese Encephalitis, Malaria, Rabies and Yellow Fever. There are some rules regarding Yellow Fever vaccinations before a trip to Peru, so we recommend double checking with the CDC or your doctor for more information.
These are the holidays celebrated in Peru: