They make you quite ill – and don't really protect against the ever changing flu virus. If we give a jab of IL-2 and IL-4, we wil lcure4 all viruses and bacteria. Once we have caught it.
There are 6 common human antibodies to all infections. Pills of these drugs are natural – so will need no 2 year double blind trials.
But we can do better. We pop along to an internet link, and buy a 8W 1MHz ultrasound massage unit.
½ a minute to each side of the chest, throat and nose will clear all infections. If you feel the infection lagging, give it 3 goes. Do it at night, as you will feel ill after 4 hours, better after 8.
Apply tthis device 3 times for ½ a minute to either side of the head, to clear MS, Parkinson's, Schizophrenia, ADHD and depression. The condition clears totally, with no biochemistry.
Repeat use to the head will fix head damge, from trauma, infections or strokes. So it will fix all stroke damage.