The Delta Variant is a mutation of the COVID virus that is leading to a highly contagious strain of this virus. Vaccines are Prevention.
Recently the CDC or Centers for Disease Control and Prevention indicated that there are about 20 million new infections each year in the United States.
Whooping Cough is caused by pertussis and the number of cases is the highest it has been in the last five decades. The bacteria involved is called: Bordetella pertussis.