Date: 08/11/2021 Shift: 9:00 AM – 11:00 AM Q. No: 4

Despite all the research every one of us catches cold and most of us catch (1) ______ frequently. Our failure to control one of (2) ______ commonest of all ailments sometimes seems ridiculous. (3) ______ science regularly practises transplant surgery and (4) ______ rid whole countries of such killing (5) ______ as Typhus and the Plague. But the (6) ______ of common cold is unusually difficult and (7) ______ is yet to be done to solve it.
It is known that a cold (8) ______ caused by one of the number (9) ______ viral infections that affect the lining of the (10) ______ and the other passages leading to the lungs but the confusing variety of viruses makes study and remedy very difficult.