MasterCard and Visa are accepted almost everywhere in Bolivia. American Express is less common, but is still widely accepted. That being said, it's best to have cash on hand as banking systems in Bolivia aren't always stable.
The standard voltage in Bolivia is 230V. There are two plug types in Bolivia: Types A and C.
It's recommended to have gotten the following vaccinations before visiting Bolivia: Measles, Polio, measles-mumps-rubella, diphtheria-tetanus-pertussis, Chickenpox, and your yearly flu shot. Additional vaccinations you should get are Hepatitis A, Typhoid, Hepatitis B, Malaria, Rabies and Yellow Fever. There are some rules regarding Yellow Fever, Rabies and Malaria vaccinations before a trip to Bolivia, so we recommend double checking with the CDC or your doctor for more information.
These are the holidays celebrated in Bolivia: