Business as usual in healthcare is broken and we've got to do something different. Zeigt, dass das Patentsystem in vielen Bereichen seit langem kaputt ist. Shows that the system has been badly broken in many areas for a long time.
Mumps is a plural noun but treated as a singular noun.
The plural of hoof can be either hoofs or hooves. Unfortunately, there is no clever way of knowing which nouns ending f or fe follow which rules. You have to know. Though hoofs and hooves are both accepted plurals, hooves has become more popular. (See the evidence in Google's Ngram Viewer.)