The <span style = 'background-color: #dae8f4'>virus</span>
that caused your chest infection could have effected your nose and
sinuses also. An infection can cause inflammation of
your nose and sinuses as well as your chest. Even after the infection has cleared, it is
possible for the inflammation to linger.
an inflammation, or swelling, of
the mucous membranes that line the sinus cavities. Inflammation of
the sinuses could be due to an allergy, an infection, or ongoing exposure to an irritant, such as pollution or smoke.