WebSep 20, 2024 · People with flu are most contagious in the first three to four days after their illness begins. However, infants and people with weakened immune systems who are infected with flu viruses may be contagious for longer than seven days. Symptoms … In recent years, flu B/Yamagata viruses have circulated much less frequently in … Check with your doctor promptly if you are at higher risk of serious flu complications … Learn about how CDC measures flu vaccine effectiveness (VE) to determine how … Shift is an abrupt, major change in a flu A virus, resulting in new HA and/or new … WebJan 13, 2024 · The contagious period for the flu begins about 1 day before symptoms start and can last as long as 5-7 days from when you first felt sick. You’re generally contagious with a cold 1-2 days before your …
Flu Causes: Types, Transmission, and Prevention Tips - Healthline
Web1 day ago · The highly contagious avian flu, H5N1, has affected more than 58 million birds in domestic poultry populations and wild flocks across the U.S. and continues to spread, … Web1 day ago · The highly contagious avian flu, H5N1, has affected more than 58 million birds in domestic poultry populations and wild flocks across the U.S. and continues to spread, federal officials report. real contract meaning
How Long Are You Contagious with the Flu or Cold? Cedars-Sinai
WebSep 10, 2024 · The flu is a contagious respiratory illness that can cause symptoms including fever, coughing, chills, body aches, and fatigue. Flu season strikes every year, and the virus can spread rapidly in ... WebAug 10, 2024 · The flu is considered a highly contagious disease. According to the CDC, the flu can circulate to others up to about 6 feet away. And, some people can be infected with the flu without showing … WebApr 11, 2024 · Canine influenza, more commonly called dog flu, is a contagious respiratory disease in dogs caused by two Type A "canine influenza viruses," according to the CDC. There have been no reports of human infections with canine influenza. It was considered by the CDC "a newly emerging pathogen" in the U.S. dog population in 2005, and is … real competition names fm21