There are a lot of symptoms similar to flu and viruses, such as: fever, chills, pain, dizziness, fatigue and weight loss. Less common symptoms are swollen glands or lymph nodes in the neck and armpits. Also, bruising very easily, severe nosebleeds or severe bleeding from the rectum. If someone has these symptoms or is worried, they should see a doctor and request a blood test.
Answer:
A high white blood cell count may indicate that the immune system is working to destroy an infection. It may also be a sign of physical or emotional stress. People with particular blood cancers may also have high white blood cells counts.
If you are able to purify the water yes. If you cannot purify the water, drinking sea water will only make you more thirsty as it has a high level of salinity in it which will dehydrate you.