New CDC study shows COVID-19 vaccine effectiveness during pregnancy is 52%. Vaccination reduces risk of COVID-19 symptoms in ...

Symptoms of respiratory syncytial virus, or RSV, may start off similar to a common cold, with sneezing and a runny nose. But ...

XEC, the latest strain of the coronavirus, is more transmissible than others, but its symptoms tend to be milder.

Health experts have concluded that COVID-19 can spread among asymptomatic people, making it hard to tell how many people have ...

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. Diarrhea, constipation, pain, bloating ...

小组委员会主席、共和党众议员布拉德·文斯特普 (Brad Wenstrup)在致国会的一封信中写道：“这项工作将帮助美国和世界预测下一场大流行病，为下一场大流行病做准备，保护我们不受下一场大流行病的危害，并且希望能够防止下一场大流行病。” ...

That changed in October 2023, when Carter, 36, had COVID-19 for the first time. Her main symptom, diarrhea, became so relentless that she had to take an ambulance to the emergency room. Her blood ...

（法新社华盛顿2日电） 美国国会议员今天结束对COVID-19（2019冠状病毒疾病）疫情为期两年的调查，支持这种病毒可能从中国实验室泄漏出来的理论。这场大流行病在美国夺走110万条人命。

科学家发现，免疫基因和 RAAS 系统的过度激活会导致严重的 COVID-19 病例中出现细胞因子风暴。这会导致广泛的炎症和器官损伤。作为 COVID-19 ...

A Republican-led House committee investigating broad aspects of the Covid-19 pandemic and its effects in the US released a ...