It can still easily kill a person or a water buffalo just because it's a huge biting dragon, but the famed Komodo Dragon does not have a mouth full of lethal bacteria just waiting to get inside a victim. Just the usual bite. So, you'll still die, but not from bacteria.
When we think of cryptozoology, we usually think of Bigfoot, the Yeti, and the Loch Ness Monster, creatures that are - let's face it - probably legendary. But some cryptids are real: just ask the platypus, okapi, and giant squid.