occupational health

A 58-year-old farmer presents with a 10-day history of fever, severe retro-orbital headache, myalgia, and profound fatigue. He denies cough or sore throat. Examination reveals mild scleral icterus. Liver function tests show elevated transaminases. He works closely with sheep and cattle. What is the most likely diagnosis?

A 45-year-old man presents to his general practitioner with a 3-month history of persistent cough and occasional wheezing. He is a non-smoker and works as a carpenter. He reports that his symptoms worsen at work and improve on weekends. He has no significant past medical history and is not on any medications. What is the most likely diagnosis?