According to the title, I put a species of transmission, meaning that this species carries the spread of the disease. the species I mean are flies.
Fly species have a variety of types, shapes and sizes, and also have a variety of colors. in general, animal flies are harmful to health, especially humans themselves. flies spread the disease through the food we consume.
Congratulations @blogtrades! You have completed some achievement on Steemit and have been rewarded with new badge(s) :
Award for the number of comments received
Click on any badge to view your own Board of Honor on SteemitBoard.
To support your work, I also upvoted your post!
For more information about SteemitBoard, click here
If you no longer want to receive notifications, reply to this comment with the word
STOP