Cloudy. Snow mixed with ice pellets beginning this morning then changing to freezing rain mixed with ice pellets this afternoon. Snow and ice pellet amount 2 to 4 cm. Wind becoming south 30 km/h this morning. High plus 1.
National Institute of Allergy and Infectious Diseases that discusses the benefits of vaccination, how vaccines and the immune system work, different types of vaccines, and how vaccines are developed and tested. (U.S. website)
presents information in an easy-to-understand format