Just the once. After that, they either get immunity from it, or die from it.
Smallpox is been around for about 12,000 years. So hundreds of millions of people have been affected by smallpox worldwide.
4
15day
One can be infected by smallpox if a victum of smallpox has coughed in the air. They can be infected by smallpox by exposing an opened wound. You can become infected if you breath the air that is shared by someone that has smallpox. Its passed many different ways. One can be infected by smallpox if a victum of smallpox has coughed in the air. They can be infected by smallpox by exposing an opened wound. You can become infected if you breath the air that is shared by someone that has smallpox. Its passed many different ways.
Some diseases brought over from Europe to the Americas included smallpox and measles.
An exact figure of how many people contracted smallpox worldwide and even in Manchuria where biological warfare was used by the Japanese and supposedly the Russians used is unavailable. Smallpox had been mostly eradicated in Europe and the North America before World War 2.
SMALLPOX
mousito bites. it what caused by smallpox
It is unknown how many people died from smallpox prior to 1900, but smallpox was responsible for an estimated 300-500 million deaths in the 20th century before finally being officially eradicated in the late 1970s.
two and a half
None.
How many people are infected with corona virus in Houston
About 85% of those people exposed to the virus will become infected with it.
Dr Edward Jenner discovered the vaccine in 1796 and published his findings in 1798It became a worldwide disease and killed many people.. But God has a reason for everything that happens in our lives
worldwide nearly 60 million people died.