The Irukandji jellyfish , considered by researchers to be one of the world 's most poisonous creatures , is only the size of a thimble . Killer Asian giant hornets are n't just a problem in China but in other Asian countries . Travelers should not assume vaccinations and medications will keep them safe from deadly insects . Comment:
Killer Asian giant hornets are n't just a problem in China but in other Asian countries . Travelers should not assume vaccinations and medications will keep them safe from deadly insects . Comment: