Other Signs and Symptoms. Fatigue is a common sign of vitamin D deficiency. You may feel like you have no energy. Muscle pain and aches, muscle cramps and weakness are other commonly reported symptoms associated with low vitamin D levels in the body. Not everyone who has vitamin D deficiency has symptoms.
Staph bacteria are very adaptable, and many varieties have become resistant to one or more antibiotics. For example, only about 10 percent of today's staph infections can be cured with penicillin.
Less often, staph can cause serious problems like infected wounds or pneumonia. Staph can usually be treated with antibiotics. But over the decades, some strains of staph -- like MRSA -- have become resistant to antibiotics that once destroyed it. MRSA was first discovered in 1961.