Influenza Crossword

It is commonly referred to as the flu
Influenza is a viral infection that affects mainly the:
The most common symptom of influenza is:
The best way to prevent flu is by getting a flu ____________ each year.
Influenza (flu) is a serious disease caused by a:
Flu viruses spread mainly by tiny ____________ made when people with flu cough, sneeze or talk.
Influenza viruses are classified within the family of:
During epidemics, a large number of mild and _____________ infections occur, which play an important role in the spread of infection.
During the period of infectivity, the virus is present in the _____________ a couple of days before and a couple of days after the onset of symptoms
Influenza affects all ages and people of both sexes. In general, the attack rate is lower among _______.
It appears in about seven days after an attack and reach a maximum level in about two weeks.
After about 8 to 12 months, ____________ drop to pre–infection levels.
The ________ period for influenza is about 18 to 72 hours.
This is a medical condition where viruses enter the bloodstream and hence have access to the rest of the body.
It is the manner of development of a disease.
is a basic, reliable, and widely used method for diagnosis of BVDV infection.
used especially to provide immunity to a pathogen or toxin by inoculation or as a diagnostic agent.
It causes a thick covering in the back of the throat.
Influenza is a viral infection that attacks your ________________ system.