With the absence of a flu vaccination last year, I did not take a flu shot; but there is still some immunity that carries over from year to year; but about every 30 years, there is a major change in the genetics of the flu virus.
Related Keywords: Absence Over Years Last Virus Still Take
Related Authors: Martin Luther King, Jr. Maya Angelou Nelson Mandela Marilyn Monroe Mahatma Gandhi Winston Churchill Confucius
