Infectious words comes from the word "infect" means something that is capable of being transmitted so we call it infection, which means it is spreadable like a disease. So, the answer could be:
1) His disease was very infectious.
If you're meaning just a sentence with these two words, then:
She approached the significant hole in the wall, peering through it, a soft sigh of defeat passing her lips when she saw that the impenetrable vault she was meant to go wasn't there.
That help any?
Fables is something that’s is true not made up and fairytales are fake and made up
