I wouldn't sail this ship if I were you
6750 The common cold
-6750.1 General
–6750.11 Phlegmy sort
–6750.112 Productive of bright green phlegm
–6750.113 Productive of bright orange phlegm
–6750.113 Productive of clouds of dandelion fluff
–6750.14 More of a cough, really
–6750.141 The sort that keeps one up at night
–6750.112 Sounds like a bark
–6750.15 Mainly of the lost voice sort
–6750.151 Striking just before one has to sing
–6750.16 Gentle little cold that wanders around the back of throat and glands without ever really doing much
-6750.2 Obtained via miscellaneous and/or unknown means
–6750.21 Obtained while on mission from MI5
-6750.3 Obtained via contact with children
–6750.31 Via nursery
–6750.311 First cold in a row acquired from nursery
–6750.312 Second or more cold in a row acquired from nursery
-6750.4 Obtained via recreational activity
–6750.41 Recreational activity that was definitely worth it
–6750.42 Recreational activity that wasn’t
-6750.5 Obtained via mode of transport
–6750.51 On an aeroplane
–6750.511 At the start of a holiday that would be really great without a cold
–6750.512 By the return journey, able to share cold with a whole new group of people
–6750.59 First documented case of donkey-human transmission
-6750.8 The uncommon cold
–6750.81 Productive of rainbow glitter phlegm
–6750.82 Sneezing up tiny unicorns
–6750.83 Sinuses colonised by tiny kittens
–6750.84 World’s best viral party going on in eustachian tubes,
invitation extended to local bacteria, entrance queue goes all the way
down throat and back