An organism, typically an insect, that transmits pathogens between hosts. WHO notes that vectors like mosquitoes (malaria, dengue) or ticks (Lyme disease) carry pathogens without being infected themselves, playing a key role in disease spread.
An organism, typically an insect, that transmits pathogens between hosts. WHO notes that vectors like mosquitoes (malaria, dengue) or ticks (Lyme disease) carry pathogens without being infected themselves, playing a key role in disease spread.