No.
they dont
All animals potentially carry parasites.
Parasites can carry and transmit viruses, but they do not "cause" them.
Ducks eat Leeches. Leeches eat Aquatic Insects and Slugs. Aquatic Insects and Slugs eat Aquatic pants.
No, peaches do not carry parasites or worms. Worms may eat off of peaches, but they will never burrow inside.
they carry salmonella
Yes your cat can carry topical parasites, such as fleas, ticks, etc. and internal parasites such as roundworms, hookworms, tapeworms, etc. Take your Cat into see your Veterinarian for a good check up and also bring in a sample of the cat's feces to be checked for internal parasites.
Actually yes, land snails are an significant carrier of parasites. Especially bird parasites.
Most would not, but mistletoe is an example of one that does.
No sir or ma'am mosquito do carry parasites so you need to use bug spray when you are around them because they carry they are one of the most common transportation for parasites so WATCH OUT A MOSQUITO!!
the diseases that dragonflies carry are: vomits,blood,bacteria or parasites,saliva and way more............