Could corona virus, headache, sick in the stomach, vomiting and diahorrea. Usually passes in 24 to 48 hours.On an island. No habitation other than the work site / camp, so pretty much like being offshore.
We've actually just had one of our lads turned away from the airport who was due to fly up this morning. The company has been running temperature checks on all passengers flying up and he's apparently registered a bit high. He's been told to immediately report to a medical centre for further checks.
I dare say it's probably more to do with a few last drinks the night before but it shows how seriously they're treating it.