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.
Lewis and Clark Expedition. The Lewis and Clark Expedition from May 1804 to September 1806, also known as the Corps of Discovery Expedition, was the first American expedition to cross what is now the western portion of the United States. It began near St. Louis, made its way westward, and passed through the continental divide to reach the Pacific coast. The Corps of Discovery comprised a selected group of U.S. Army volunteers under the command of Captain Meriwether Lewis and his close friend, Second Lieutenant William Clar