Nipah virus is an emerging zoonotic virus of public health importance in the South East Asia region, capable of infecting humans and a wide range of domesticated animals (pigs, horses, goats, sheep, cats and dogs). In humans it tends to cause severe encephalitis, systemic vasculitis and pneumonia with very high mortality (ranges from 40-70%), while in domesticated animals it tends to cause no symptoms to mild disease with very low mortality (except in young piglets). Since its emergence and over the last 15 years, nipah virus tended to cause spill-over sporadic zoonotic outbreaks in Malaysia, Bangladesh, Singapore and India killing more than 100 humans and leading to the culling of more than 1 million pigs.
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