By The New York Post
At this rate, the surgeon general could issue a warning that singing at the Metropolitan Opera can be hazardous to one's health.
Three tenors appeared as Tristan, one of whom stopped the show when a set malfunction sent him tumbling into the prompter's box. A soprano took over Isolde in mid-performance, and two other sopranos were thrust into Verdi operas on short notice.
Some singers spend years waiting a chance to sing on the Met's stage, working their way up at regional theaters with the hope they can become the next Luciano Pavarotti or Birgit Nilsson.
Various viruses have catapulted those waiting in the wings into the spotlight, usually with not even a single stage rehearsal.
Angela Meade, a 30-year-old soprano still in vocal school, hadn't sung a single professional performance before her debut Friday night as Elvira in Verdi's "Ernani."