Vaccines and Immunization You can help protect yourself and others against seasonal flu and other vaccine-preventable diseases by getting immunized. Vaccines are some of the safest medical products. But, like any other medical product, there may be risks. Talk to your health care provider about the value of vaccines and their side effects. Vaccines to consider. Influenza (flu): People who are 6 months and older should get the flu vaccine (flu shot). Get the vaccine each year because flu virus can change from one year to the next. Pneumococcal: Older people and those with certain medical conditions are most susceptible to pneumonia.
Lewis and Clark Expedition In February 1805, Sacagawea gave birth to a son named Jean Baptiste Charbonneau. Despite traveling with a newborn child during the trek, Sacagawea proved to be helpful in many ways.
Thomas Jefferson. Jefferson called his expedition theCorps of Discovery.. To lead it, the president had turned to his personal secretary, Meriwether Lewis, a young army officer from Virginia.As co-commander, Lewis picked an old army friend and fellow Virginian, William Clark, a gregarious, seasoned frontiersman.eriwether Lewis & William Clark. The great father was Thomas Jefferson, president of the new United States, who had just purchased from France half a billion acres between the Mississippi River and the Rocky Mountains, doubling the size of his young republic with a single stroke of his pen.