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Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
Nodding disease, also known as nodding syndrome, is a mentally and physically disabling disease that affects children aged 3 and above, continuing into adulthood. [2] It was first described in 1962 in secluded mountainous regions of Tanzania, with sporadic outbreaks in the decades since in South Sudan, Uganda, and again in Sudan with its largest outbreak from 2016 to present.
The disease killed an estimated 400,000 Europeans annually during the 19th century and one-third of all the blindness of that time was caused by smallpox. 20 to 60% of all the people that were infected died and 80% of all the children with the infection also died. It caused also many deaths in the 20th century, over 300–500 million.
The term childhood disease refers to disease that is contracted or becomes symptomatic before the age of 18 or 21 years old. Many of these diseases can also be contracted by adults. Some childhood diseases include:
Rotaviruses are the most common cause of diarrhoeal disease among infants and young children. [1] Nearly every child in the world is infected with a rotavirus at least once by the age of five. [2] Immunity develops with each infection, so subsequent infections are less severe. Adults are rarely affected. [3]
It is the only human disease to be eradicated worldwide. Video recording of a set of presentations given in 2010 about humanity's efforts towards malaria eradication. The eradication of infectious diseases is the reduction of the prevalence of an infectious disease in the global host population to zero. [1]
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Despite the difficulty of assessing how much pain a baby is experiencing, and the practical problem of prescribing the correct dosage or technique for treatment, modern medicine is firmly committed to improving the quality of pain relief for the very young. [39] The effective treatment of pain benefits the baby immediately, reduces some medium ...