Both viral and bacterial infections can result in fever, but the onset, severity, signs, and management are different.

The main signs of COVID-19 are respiratory symptoms, like congestion and a cough. But COVID-19 can also cause skin rashes, ...

From persistent fevers to unexplained weight loss, discover the subtle HIV symptoms doctors say you shouldn't ignore, ...

Pope Francis’ complex respiratory infection isn't life-threatening, but he's not out of danger, his medical team said Friday, ...

However, despite extensive studies on IgM as an ancient antiviral weapon in warm-blooded vertebrates, its role and mechanisms in combating viral infections in early vertebrates remain poorly ...

NEW HAVEN, Conn. (WTNH) — In today’s health headlines, we’re talking about the growing bird flu outbreak and how viral infections may contribute to chronic diseases like dementia.

Certain opportunistic infections (OIs)—meaning infections that the body can usually control when the immune system is intact—can also start to appear. Some of the more common include viral infections ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold.

Carl Tyrrell, his son Logan and partner Tiffany were excited to bring home two guinea pigs after a visit to their local Pets ...

Pope Francis is continuing his recovery from pneumonia, eating breakfast out of bed on Thursday morning after a sixth ...