SALINAS, Calif. -- Doctors say the virus is called respiratory syncytial virus or RSV. It spreads more commonly during the flu season and is often mistaken for as the common cold.
MedImmune health experts said said the virus could bring serious complications to premature babies and older infants. They said there is no cure for this virus.
Doctors said RSV sends more than 125,000 infants to the hospital every year, and is responsible for 10 times more infant deaths than the flu.
The Center for Disease and Control said the virus happens from November to March. Right now the virus has reached epidemic levels in Florida, Arizona and California. MedImmune representatives said virus levels went up 40% within the last few days in Arizona. Health officials say the virus is highly contagious.
Some tips to keep your family safe are wash your hands, toys and other family gathering areas. Health experts say the virus can stay alive for several hours.