If you are visiting the Disney parks in Anaheim in March then you will want to know which rides are scheduled to be closed during your visit. Disneyland Ride Closures March 2015. The Matterhorn Bobsleds are closed until 16th May 2015. Davy Crockettâs Explorer Canoes will be closed until 3rd April.
When an infection occurs, the number of : A Poll Everywhere user asked an audience that very same question. Crowdsource answers
1 Widespread outbreaks of the flu usually follow significant changes (called antigenic shifts) in the virus and occur about every 10 years. People who get the flu tend to become much sicker when a shift in the flu virus occurs.  Minor changes in the virus (called antigenic drifts) occur nearly every year.