wasal shirazi is almost empty of blood donors, what is the reason for the silence because of the coldnessthe senses these few days when the weather has turned cold and the rain that we had, our patients have decreased , the cold weather makes people less likely to leave their places of residence or their places of work , but there is a constant need for blood, and we always have patients who are either for surgery or for their permanent health, like patients. dear people with thalassemia, they need blood , and with the decrease in donations, we find it difficult to provide blood for these loved ones. officials of the blood transfusion organization say that the sharp decrease in blood donation in these cold days of the year is a threat to the country's blood reserves in the coming days. that now we can answer the needs and requests of medical centers this is because we already have good reserves. blood usually has a lifespan of 1 month because of its rbs or red blood cells . we had a good time from our dear people , we are still responding to the medical centers, but if this procedure and