In most tick species the major cause for concern is the ability to act as a vector for other infectious agents, namely viruses and bacteria. Whilst a tick bite itself may cause irritation and pain, the diseases that they can transmit can be lethal. There are various methods my which ticks can become vectors for parasites or microbes.
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*'''Trans-ovarian transmission'''
*'''Trans-ovarian transmission'''
**Infection is passed from one generation of ticks to the next through the '''egg'''
**Infection is passed from one generation of ticks to the next through the '''egg'''
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**Organism passed onto the next host as the tick develops (only in two and three host ticks)
**Organism passed onto the next host as the tick develops (only in two and three host ticks)
**It is '''not''' passed onto the next generation through the egg
**It is '''not''' passed onto the next generation through the egg