Liver function tests. Liver function tests (LFTs or LFs) are groups of blood tests that give information about the state of a patient's liver.[1] These tests include prothrombin time (PT/INR), aPTT, albumin, bilirubin (direct and indirect), and others.
This is unusual since influenza is normally most deadly to the very young (under age 2) and the very old (over age 70). The total mortality of the 1918â1919 pandemic is not known, but it is estimated that 2.5% to 5% of the world's population was killed.
1918 Spanish Influenza Outbreak: The Enemy Within. Horse-drawn carts plied the streets with a call to bring out the dead in the city where bodies lay unburied for days. The afflicted died by the thousands, and survivors lived in fear. But this wasnât medieval Europe being stalked by the Black Death.