Public Health Updates: Update 44 ARI
IDSP Tvm // Information release
Swine-origin Influenza A (H1N1) Virus Infection
Transmission
Transmission of novel influenza A (H1N1) is being studied as part of the ongoing outbreak investigation, but limited data available indicate that this virus is transmitted in ways similar to other influenza viruses. Seasonal human influenza viruses are thought to spread from person to person primarily through large-particle respiratory droplet transmission (e.g., when an infected person coughs or sneezes near a susceptible person). Transmission via large-particle droplets requires
Public Health Updates: Update 44 ARI
Public Health Updates: Update 44 ARI
Types of Pneumonia
Community Acquired
Hospital Acquired
Immunocompromised / Structurally Abnormal
Community Acquired Pneumonia
Clinical Features
Fever, rigor, chills, headache, malaise, cough, chest pain, dysponea, confusion
Pyrexia, tachycardia, tachypnoea, cyanosis
Pleural rub, bronchial breathing, impaired resonance, increased increased VF and VR creps
Investigations
CBC
Radiological
Bacteriological
Blood gas
S. PNEUMONIAE PNEUMONIA
Young to middle age
Acute onset
High fever, toxic, rigor
High TC, Europhilia,, toxic granules
X-ray : labar non homogr\enous opacity
Gram +ve diplococci in sputum
CHLAMYDIA PNEUMONIA
Young and middle age
Sporadic or epidemic
Onset mild may be self limiting
Associated URI
Small segmental infiltates
Normal WBC count + raised SGPT
+ve serology
MYCOPLASMA PNEUMONIA
Children and young
Insidious onset
More systemic features
Few respiratory findings
Assoc:EN, myo/pericarditis, meningoencephalitieis, heamolysis, rach
Patchy/lobar consolidation + / -hilar lymph node
UNCOMMON ORGANISMS
H. Influeza: pre-existing lung disease,
