Learn about Alexandra Michelle: her birthday, what she did before fame, her family life, fun trivia facts, popularity rankings, and more. Fun facts: before fame, family life, popularity rankings, and more.
Viruses cause such respiratory infections as the common cold (rhinovirus), the flu (influenza), some pneumonias and bronchiolitis (respiratory syncytial virus, or RSV). It can be difficult to determine whether you have a viral or bacterial infection because the symptoms are often similar.
A cold is an upper respiratory infection caused by a virus called rhinovirus. The common cold incubation period varies greatly from one person to the next. Symptoms can appear in just a few hours or as long as 10 days after exposure.The average incubation period is one to three days. studied this in class this week. The incubation period for a common cold depends on the kind of virus it's caused by. The incubation period is at least two days and up to a week or two weeks depending on the cause. Some people get symptoms within the first day though.