The most common respiratory symptoms of COVID 19 patients include dry cough, dyspnea, pneumonia, etc., and in severe cases, white lung can appear, and respiratory failure is life-threatening. Even after rehabilitation, many people still coughed, and many people panicked, and took the initiative to go to the hospital to ask for a film to see the condition of their lungs. COVID 19 infection c...
Vitamin D is essential for children's health, especially in terms of growth and bone health. Measurement of 25-hydroxy vitamin D (25-OH VD) is the most reliable diagnostic standard for vitamin D levels. Vitamin D deficiency in children harms: ◎1.Lack of vitamin D may cause rickets, which is a disease characterized by softening and deformation of bones, which may lead to short stature and de...