However, the WHO notes, “the role of these viruses in the pathogenesis (mechanism by which disease develops) is not yet clear”.
According to the health body, “other infectious and non-infectious factors need to be fully investigated to properly assess and manage the risk”.
What should you be looking out for?
According to the NHS, short-term (acute) hepatitis often has no noticeable symptoms, so you may not realise you have it.
If symptoms do develop, they can include:
- Muscle and joint pain
- A high temperature
- Feeling and being sick
- Feeling unusually tired all the time
- A general sense of feeling unwell
- Loss of appetite
- Tummy pain
- Dark urine
- Pale, grey-coloured poo
- Itchy skin
- Yellowing of the eyes and skin (jaundice).