First West Nile virus patient in the Netherlands A male patient has been diagnosed with the West Nile virus last week. The man has not been abroad recently. He may have contracted the virus in the region of Utrecht due to a mosquito bite.
RIVM measures much higher levels of tar, nicotine and carbon monoxide in cigarettes Tar, nicotine and carbon monoxide (TNCO) levels measured in accordance with the Canadian Intense (CI) method are at least twice as high as the levels measured in accordance with the prescribed ISO