elucidation; explication; explaining; unravelling; clarification; understanding
to fall ill; to be taken ill
regret; chagrin; mortification; freedom from obstructive thoughts
transient (symptom, phenomenon); temporary; passing; fleeting
outbreak of an illness; onset of an illness; appearance of symptoms
deeply; keenly; severely; intently; carefully; closely
influenced by; in response to; in the wake of; triggered by; following
doctor's visit; house call
serious condition; critical condition
prediction; prejudgment; presupposition; foregone conclusion
having no choice; at a loss for what to do; at one's wits' end
main body (of an army); main force; these troops
beacon; skyrocket; signal fire; starting shot; starting signal
pathogenic bacteria; germ; pathogen
speculation; thinking; meditation
self-justification; excuse
literature; books (reference); document
great; grand; extensive; large-scale
ragweed (Ambrosia artemisiifolia)
advanced (developed) country; advanced nations
to state one's opinion; to offer one's opinion; to opine
spread (e.g. of a disease); rampancy; infestation; proliferation; being widespread
leaping; activity; leapfrog (over a problem); making a leap (e.g. in logic); making great strides; making rapid progress
to make efforts; to take pains; to break a bone
cock; rooster; chanticleer
combined vaccination for diphtheria, pertussis (whooping cough) and tetanus
errand; mission; messenger; bearer; familiar spirit
to take the name of; to call oneself; to pretend; to feign; to purport
dilettante; person of fantastic taste
king; monarch; ruler; champion
to crowd; to flock; to swarm
somehow; for some reason (or other)
descent; fall; drop; passing down (of an order, decree, etc.)
special program; special programme
wonder; miracle; amazement; prodigy