Question

Pick one bacterial, a viral, and eukaryotic pathogen of the skin, eye, respiratory, and/or urogenital systems.  You should pick one organism in each category for any of the three systems and discuss the following for your chosen organisms (a total of three pathogens):

• Modes of transmission
• Virulence factors
• Associated diseases

Answer 1

ORGANISM	MODE OF TRANSMISSION	VIRULENCE FACTOR	ASSOCIATED DISEASE
Streptococcus pneumoniae (Respiratory system)	Person to person via respiratory droplets	The capsule, the cell wall, choline - binding factors, pneumolysin, autolysin	Respiratory tract infection, Pneumonia, sinus infection, sepsis
Influenza virus (Respiratory system)	Inhalation of respiratory droplets, contact of mucus membrane has virus contamination	Multi-basic cleavage site within HA(Hemagglutinin)	Viral pneumonia, Respiratory tract infection, bronchitis, acute respiratory distress syndrome, Asthma flare-ups
Candida albicans (Integumentary system)	* Mother to child during pregnancy * Remains as normal human flora	Lipases, Phospholipases, secreted aspartyl porteinases	Candidiasis in which invasive and vaginal Candidiasis are there.