It could have previously been infected by a virus, where the virus DNA is inserted into the cell, causing it to explode and reproduce hundreds of viruses. Or it could carry it like any other animal.
Bedbugs can transmit diseases such as MRSA, and Trypanosoma cruzi.
Pathogen
pathogen means microorganism, so pathogen diseases means diseases caused by microorganisms
microorganisms cause diseases and give people virus.
No, ants don't spread diseases
Pathogen
They were discovered by Louis Pasteur. :P
They transmit diseases mainly through bites.
Rodents carry many diseases and can transmit these diseases to people.
Flies can transmit certain bloodborne diseases such as malaria and trypanosomiasis by acting as mechanical vectors, carrying the pathogens from one host to another. However, they do not transmit blood diseases like HIV or hepatitis, which require direct contact with infected blood.
The study of microorganism has affected science's ability to counter diseases because the stronger microorganism have adapted. The overuse of antimicrobial items has caused the weak microorganisms to die but the resistant microorganism's have gotten stronger, so it is harder for scientist and doctors to counter the diseases.
While ladybugs do transmit a sort of sexually transmitted disease among their species, they do not harbor diseases. Also the STD in ladybugs is no threat to humans.