algae; waterweed; seaweed; duckweed
20 years old; (arch.) twenty
lucky day; auspicious day; unspecified day of the month (used to obscure the date a letter, invitation, etc. was written)
attaching (documents, etc.); appending; affixing
National Institute of Infectious Diseases; NIID
conformity; compatibility; adaptability; congruity; congruence
organization; organisation; forming
research (institute, laboratory, group, etc.)
sterilization; sterilisation
to send word (to); to write (to); to hand over (one's business to a successor); to transfer; to tell (one's successor) about
inevitable; inescapable; unavoidable
mental disorder; mental illness
analogy; analogical reasoning; analogical inference; analogy
things to note; matters that require attention; important points; considerations; precautions; suggestions
automatic; intransitive verb
self-checking; self-diagnosis
to affect adversely; to have a negative influence (on)
generation of heat; (attack of) fever; pyrexia
high (government) official
disorderly; messy; absurd; unreasonable; very; extremely
not only ... but (also); as well as ...
national; founded and run by the central government
coping method; approach; how to deal with (problem, etc.)
problems caused by old people; harm to society by gerontocracy
to force out corruption; to drive away misconduct; to clean up; (lit.) to drain out pus
prime minister (as the head of a cabinet government); premier; leading; overseeing; leader
global scale; worldwide scale
to attract attention; to come into the limelight
(making something a) political issue