5 deadly diseases that vaccines helped bring under control

5 deadly diseases that vaccines helped bring under control

  1. Smallpox

For millennia, smallpox was one of the world’s most feared diseases , it killed up to 30% patients and could leave survivors scarred and blind. In 1796, physician Edward Jenner developed a vaccine , immunizing people with a cowpox virus that created immunity to smallpox , it took 2 centuries before smallpox was finally eradicated in the 1970’s.

  • Influenza

The 1918 Spanish flu outbreak infected a third of the world , 500 million people and killed at least 50 million. It was caused by a virus thought to have come from birds. A vaccine introduced in 1945 prevented millions of deaths.

  • Whooping cough, tetanus and diphtheria

These bacterial diseases leads to serious illness and death , In 1948, the first combined vaccine for the 3 diseases was introduced, but adverse side effects were common. A new inoculation was developed in the 1990’s and is still in use.

  • Polio

This debilitating disease can attack the central nervous system, but Jonas Salks’s 1955 vaccine helped bring it under control and decade later, an oral vaccine was introduced.

  • Ebola

Ebola is one of the most deadly known diseases ,A major 2014 breakout in Guinea West Africa, ;ed to successful human trials od a vaccine marking a major breakthrough in the fight against this killer virus.

Dozens of teams around the world are racing to find a vaccine for COVID-19 and experts say having one ready within 18 months would be very fast.

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