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.
June 1 â The expedition reaches the Osage River. June 12 â Lewis and Clark meet three trappers in two boats pirogues. One of the men was Pierre Dorion, Jr.-who knew George Rogers Clark. Lewis and Clark persuade Dorion to return to Sioux camp to act as interpreter.