Che carino pastoso Trasporto is polio a communicable disease mangano Lotta caldaia
Poliomyelitis (Polio) | Health | Province of Manitoba
Poliomyelitis - PAHO/WHO | Pan American Health Organization
Poliomyelitis Disorder Polio is a disorder caused by a viral infection ( poliovirus) that can affect the whole body, including muscles and nerves. Severe. - ppt download
Prof Didier Pittet on Twitter: "Millions of lives have been saved by preventing #infectiousdiseases polio, measles, mumps, rubella, varicella, adenovirus, rabies and hepatitis A....along the years by major #scientific breakthrough #vaccination ...