Chlamydia, Mycoplasma, Rickettsia

• Attachment is a strong reciprocal emotional bond between an infant and a primary caregiver
• Clinical Case 3: A 40-year-old man working in an abattoir with "influenza-like" symptoms and early signs of pneumonia is likely infected with Coxiella burnetii
• Coxiella burnetii is transmitted to humans through aerosolization of infected animal birth products or excreta, with an incubation period of 20 days (range 14-39 days)
• Diagnosis of Coxiella burnetii is done through serology, with elevated anti-phase II antibodies in acute infection and anti-phase I antibodies in chronic infection
• Treatment for acute Coxiella burnetii infection is Doxycycline, while chronic infection requires Doxycycline plus hydroxychloroquine for a longer course
• Clinical Case 4: A 42-year-old with influenza-like symptoms, working in a pet shop with exotic birds, is likely infected with Chlamydia psittaci
• Chlamydia psittaci incubation period is 1-3 weeks, leading to respiratory disease like pneumonia and extra-pulmonary manifestations such as meningo-encephalitis and myocarditis
• The antibiotic of choice to treat Chlamydia psittaci infection is Doxycycline
• Chlamydia trachomatis causes various infections including trachoma, neonatal pneumonia, and sexually transmitted infections, with different serovars affecting different body parts