Anasayfa/Koyu Renkli İdrar Hangi Hastalıkların Habercisidir?/Covid-19, preventing virus, healthcare workers and vaccination concept. Serious-looking doctor in medical mask and gloves examine urine sample, look thoughtful and concentrated Covid-19, preventing virus, healthcare workers and vaccination concept. Serious-looking doctor in medical mask and gloves examine urine sample, look thoughtful and concentrated