VTPB 221 Lecture Notes - Lecture 3: Aedes Aegypti, Viral Hemorrhagic Fever, Yellow Fever
15 May 2016
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The jungle fights back: emerging and hemorrhagic viral diseases part 2. Emerging disease=1 that has appeared in pop. for 1st time, or may have existed previously but is rapidly increasing in incidence/geographic range. 11/11/15: ex: sars and mers (corona viruses, attack lungs-severe pneumonia. Moved to s korea 5/20/15: 68 yr. old male traveled from mid. E s korea: superspread event; isolated to hospital setting; almost 200 cases in s. Korea alone highly contagious in hospital setting; some closed down: so far no mers outbreaks have been linked to this year"s hajj, saudi arabia has had >1200 cases of mers, many other countries in mid. Migration; animals humans (zoonotic diseases); climate change/shifting weather. Disrupted infrastructure: wars, floods, earthquakes, poor sanitation. Movement of infected vectors-modern transportation moves them so quickly (airplanes, tires, cargo ships) Class of viruses transmitted to humans by arthropods (mosquitoes and ticks: 1st 2 letters of words arthropod and borne make up arbo .
