Polio – The End of an Era?

What do polio and smallpox have in common? These are both dreaded viral diseases that science has (smallpox) or soon will (polio) completely eliminate from the planet through vaccination. Unlike many viruses that lurk in animal reservoirs, only humans are the natural hosts for both of these viruses. Smallpox virus and poliovirus persist by spreading …

Polio – Another Step Backwards

Briefly last week there were headlines about a small number of polio cases found in the Philippines, a country declared polio free in 2000. While a few cases in another country may not seem very alarming, these cases starkly reflect a global public health failure. Polio is a very contagious viral infection that is usually …