Hi My adult granddaughter was just diagnosed with whooping cough. She got it from her son who was diagnosed by the Dr. He had the vaccine last year. He is now 6. She said her Dr told her she can go out into the public once her fever comes down. She has been on her antibiotics one or two days. I am just concerned that she is still contagious.
Hello, whooping cough is very contagious and transmission may occur even three weeks after the first symptoms. The antibiotics may reduce the risk for transmission but sometimes they don't! When the temperature is normal for at least 24 hours (without paracetamol-acetaminophen-ibuprofen or other Chat Doctor.  At least 5 days with an appropriate antibiotic regimen should have been completed before considering to with