This virus has high epidemic potential.
伝染性 emphasizes contagiousness or infectivity, whereas 流行性 focuses on the widespread, epidemic aspect.
influenza; flu
epidemic hepatitis
epidemic encephalitis
epidemic keratoconjunctivitis
mumps; epidemic parotitis
epidemic keratoconjunctivitis
Compound of 流行 (りゅうこう, 'spread, prevalence') and 性 (せい, 'nature, characteristic'), literally 'epidemic nature'.