It starts with a slight scratchiness at the back of your throat.
Then, a sneeze.
Then coughing, sniffling and full-on congestion, with or without fever, for a few insufferable days.
Viral upper respiratory tract infections – also known as the common cold[1] – afflict everyone, typically three times per year[2], lasting, on average, nine days.
Colds don’t respond to antibiotics, and most over-the-counter medications deliver...