Surgeons attached the pig kidney to a pair of large blood vessels outside the body of a deceased recipient so they could observe it for two days. The kidney did what it was supposed to do — filter waste and produce urine — and didn't trigger rejection.
Cough, fever, and shortness of breath are common COVID-19 symptoms. Sinus congestion, runny nose and sore throat are symptoms of becoming infected with the delta variant. Sneezing more than usual...
Delaying vaccines is risky. Many pediatricians say a more gradual approach to vaccinations is better than no vaccinations, but they offer hard advice to parents considering it.
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