Grip ( Influenza ) virüsünün A, B ve C olmak üzere 3 tipi vardir. A ve B tipleri her yil salgin yapabilir, C tipi hafif üst solunum yolu hastaliklarina neden olur fakat salgin yapmaz.
There have been recent, marked increases in the incidence and severity of Clostridium difficile–associated disease (CDAD).
These may be attributable to the emergence of a hypervirulent strain of C. difficile that produces increased levels of toxins
Three months before she gave birth last year, Diana Simpson, a dental hygienist in Davison, Michigan, started coughing uncontrollably. The pain in her throat and chest was unbearable.
