Other side effects have been reported with the use of either measles, mumps, and rubella vaccine manufactured by Merck & Co., Inc., the monovalent components of the measles, mumps, and rubella vaccine produced by Merck & Co., Inc., or Varicella Vaccine live (Oka/ Merck): unusual bleeding or bruising under the skin, swelling of the testicles; tingling of the skin, herpes zoster (shingles); inflammation of the brain (encephalitis); severe skin disorders; skin infection; stroke; seizures without a fever; joint pain and/ or swelling (which could be transient or chronic); and inflammation of the lung (pneumonia/ pneumonitis).