hickups
No! The vast majority of bacteria is harmless to human beings. I learned it in my biology class.
Well The baboon is technicaly the most harmless
A vaccine.
no
most insects are harmless except for wasps bees spiders(just to name a few)
they can be depends if it's trained or not most the time not harmless.
In 1927, Fredric Griffith concluded that bacteria could be transformed from harmless to disease-causing by introducing a factor that was not yet identified. This changing factor was eventually discovered to be DNA, the basis for all biological reproduction.
The Whale Shark
The three sharks with the most harmless reputation are the nurse shark, bamboo shark, and whale shark. These sharks are known for being generally non-aggressive towards humans and primarily feed on small prey such as fish and plankton.
Dolphins
No, We are the most dangerous animal on Earth
Ladybirds are harmless but when they feel threatened they can make a foul tasting liquid that makes most predators spit them out.