If an outbreak of smallpox were to occur today, it's likely that most doctors wouldn't realize what it was in its early stages, which would allow the disease to spread. Even one confirmed case of smallpox would be considered an international health emergency. The Centers for Disease Control and Prevention can do definitive testing using a tissue sample taken from one of the lesions on the skin of the infected person. No cure for smallpox exists.
History and Causes of Smallpox Essay - Words | Bartleby
The smallpox vaccine was the first vaccine to be developed against a contagious disease. In , the British doctor Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus. Cowpox served as a natural vaccine until the modern smallpox vaccine emerged in the 19th century. From to , the World Health Organization conducted a global vaccination campaign that eradicated smallpox , making it the only human disease to be eradicated. Although routine smallpox vaccination is no longer performed on the general public, the vaccine is still being produced to guard against bioterrorism and biological warfare. The term vaccine derives from the Latin word for cow, reflecting the origins of smallpox vaccination.
Ari Larissa Heinrich does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment. Physical assaults. The outbreak of COVID has coincided with a dramatic escalation in racially motivated incidents towards people of Asian descent around the world.
The herpes viruses can do this over and over again. They hide in nerve tissue until prompted to erupt leaving painful ulcers as host tissue is destroyed. Human papilloma virus—HPV--causes genital warts and predisposes its victims to cervical cancer. Likewise, hepatitis viruses, especially hepatitis C can leave a patient vulnerable to liver cancer. Other cancers in humans are also known to be caused by viruses.