How does the hepatitis C virus keep the immune system at bay? A scientist finds the answer — and it involves a standard technique used by villains.
Animal carriers of the virus include various rodents, dogs, primates, hedgehogs and shrews, according to the Centers for Disease Control and Prevention.
Scientists call the name "discriminatory and stigmatizing." The World Health Organization agrees. But no progress has been made on finding a new name. And some say the name doesn't need changing.
North Carolina is suspending poultry shows and public sales until further notice because of growing concerns over a highly contagious strain of the bird flu.
Scientists are tracking a deadly bird flu outbreak that has infected wild birds in more than 30 states. Purging the nation's poultry supply may not be enough to keep the virus from sticking around.
He and his team were stunned by the number of mutations. They felt they'd made a contribution by alerting the world to a dangerous variant. Then came the travel bans for residents of southern Africa.
New research from China suggests people infected with the delta variant have, on average, about 1,000 times more virus in their respiratory tracts than those infected with the original strain.
This animated video uses puzzle pieces to show how a coronavirus binds to a cell's surface — and what happens when a mutation occurs.