Plasmodium falciparum <ul><li>Parasite – Kingdom Protista </li></ul><ul><li>Causes most dangerous form of malaria –  </li>...
Entamoeba histolytica <ul><li>Parasite – Kingdom Protista </li></ul><ul><ul><li>Amoeba, “free-form” cell </li></ul></ul><u...
Human Parvovirus B19 <ul><li>Parvoviridae </li></ul><ul><ul><li>Single-stranded DNA </li></ul></ul><ul><ul><li>Round capsi...
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Mo W 03

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Mo W 03

  1. 1. Plasmodium falciparum <ul><li>Parasite – Kingdom Protista </li></ul><ul><li>Causes most dangerous form of malaria – </li></ul><ul><li>malignant malaria </li></ul><ul><ul><li>Most common form (91% of the 247 million </li></ul></ul><ul><ul><li>cases) </li></ul></ul><ul><ul><li>One of 4 major forms of malaria </li></ul></ul><ul><ul><li>50% mortality </li></ul></ul><ul><li>Infected people experience intermittent chills and fever, vomiting, severe headache, kills red blood cells – anemia, RBC’s also develop comma-shaped knobs – Maurer’s dots – that cause sticking of RBC’s and clogging of capillaries and leads to tissue death – kidney, liver, brain </li></ul><ul><li>Carried by mosquitoes, also transmitted by shared syringes </li></ul>
  2. 2. Entamoeba histolytica <ul><li>Parasite – Kingdom Protista </li></ul><ul><ul><li>Amoeba, “free-form” cell </li></ul></ul><ul><li>Amoebic dysentery </li></ul><ul><ul><li>Stomach-acid resistant cysts </li></ul></ul><ul><ul><li>invade the wall of the large </li></ul></ul><ul><ul><li>intestine </li></ul></ul><ul><ul><li>Severe and bloody dysentery as the trophozites (active cells) feed on the tissues </li></ul></ul><ul><ul><li>Can be deadly if untreated – metronidazole </li></ul></ul><ul><li>Contaminated water or food </li></ul><ul><li>10% of the world population are carriers, mostly asymptomatic </li></ul>http://www.health-res.com/EX/08-01-10/Entamoeba%2520histolytica.jpg
  3. 3. Human Parvovirus B19 <ul><li>Parvoviridae </li></ul><ul><ul><li>Single-stranded DNA </li></ul></ul><ul><ul><li>Round capsid (protein coat) </li></ul></ul><ul><li>Fifth disease (erythema infectiosum) </li></ul><ul><ul><li>Flu-like symptoms and facial rash like slapped cheeks </li></ul></ul><ul><ul><li>Transmitted by aerosols from the respiratory tract </li></ul></ul><ul><ul><li>Virus infects respiratory tissues </li></ul></ul><ul><ul><li>Mild disease in children, most adults </li></ul></ul><ul><ul><li>Can result in miscarriage in pregnant women </li></ul></ul><ul><li>No treatment – disease runs its course in 7-10 days </li></ul>http://www.stanford.edu/group/virus/parvo/2005/B19.jpg

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