# data[].attributes.body
In August 1914 the first electrocardiogram was invented, it brought hope to patients with heart disease, it helped develop diagnosis & nonoperative treatment.

# data[].attributes.body
The Plague is a bacterial infection caused by organism (Yersinia Pestis). Infection can occur in a range of mammalian this species include rodents, cats, and carnivores, humans, and others. The idea to develop vaccine against the plague started by Alexandre Yersin who investigated immunity against Yersinia Pestis or Pestis.

# data[].attributes.body
Rabies is a viral infection that targets the brain and nervous system. It is spread by animals to humans like a bite,scratch.  Examples of  animals that carry rabies are mammals including monkeys, dogs, rats, bats, raccoons, foxes, cats, and more.

# data[].attributes.body
Typhoid is a bacterial infection that can lead to a high fever, diarrhea, and vomiting. It is caused by the bacterium salmonella enterica serovar Typhi.

# data[].attributes.body
On january 11 1922 insulin was first used in the treatment of diabetes, it was discovered by Sir Frederick G Banting and others,

# data[].attributes.body
Eliot Cutler performs the worlds first successful heart valve surgery at the peter bent Brigham hospital.

# data[].attributes.body
Marius Smith devises a three- flanged nail to secure the bone in Hip fractures,

# data[].attributes.body
This was the first vaccine for smallpox. Invented by the physician Edward Jenner in 1980.