Flu Symptoms 2024 2024. Seasonal flu is highly contagious, often spreading before an infected person recognizes symptoms like a sore throat, cough, congestion, and body aches. H5n1 bird flu has beem spreading widely in the u.s.

Henry said the teen was healthy before developing symptoms more than a week ago — initially eye redness, cough and fever. H5n1 bird flu has beem spreading widely in the u.s.