Events that led to Edward Jenner's discovery of the smallpox vaccine.(APEX)
Microscopes were what lead to the discovery of cells!
an apple. is this a joke? I'm a kid, and I know that.
The difference between a vaccine and a booster is the time it is given. A vaccine is primarily referred to as the first dose of a medicine to prevent disease. A booster is a dose given after the initial dose to strengthen the effect of the first dose.
A discovery
cows
Edward Jenner discovery was a vaccine to smallpox
Events that led to Edward Jenner's discovery of the smallpox vaccine.(APEX)
Years before Jonas Salk's work, Dr. Albert Sabin developed a polio vaccine using live virus. The Sabin vaccine was used for 18 years before the government recommended using the Salk vaccine, exclusively.
cow
the discovery was gold
*pasturisation *vaccine fr rabies
Jonas Salk came up with the first injectable polio vaccine, followed by Albert Sabin who came up with the first oral polio vaccine.
Sacagawea helped the corps of discovery by guiding them through the the land of the Shoshones.
I t Depends on the person of the age of discovery
Jonas Salk developed the Polio Vaccine at the University of Pittsburgh. Without the Polio vaccine, people today would still be suffering from the disease today.
This 'Angel' was born in city of New York from America to Jewish parents. He discovered the the polio vaccine. Discovery of this vaccine is a landmark in the history of medical science. He gifted the vaccine to mankind and did not opt to get patent of the same.