Giardia
Incubation period: 5 to 25 days
Common clinical features: Diarrhoea, abdominal cramps
Reservoir: It is found in the gastrointestinal tracts of people and animals
Transmission: Person to person. Food borne transmission is rare. Faecal oral in young children. Waterborne. Spread within families is common.
Other relevant features: Cysts resist standard chlorination




HTW has noted that amongst the submissions to the Committee on Toxicity (COT) it has been suggested that the symptoms highlighted by crew and passengers were akin to the condition of hyperventilation.
HTW has for many years received reports from concerned holiday makers or independent travellers as to the safety of their aircraft, ship or boat, train or road transport.
