Four viruses are circulating in the U.S., sparking concerns of a possible “quademic." Here's what to know about risk factors and prevention of these common contagious diseases, according to doctors.

Maybe you've been in a room recently with someone who's coughing, but they say "I promise it's not COVID." While it's important to still be cautious about COVID-19, there are other viral ...

Not all types of flu are the same ... Unlike the flu, where symptoms appear within a day to four days of infection, COVID symptoms may take two to five days to appear after exposure.

Here's what bacterial meningitis is, how it's different from viral and other types of meningitis, and what treatment can be expected.

This article will help you to understand the early symptoms of Japanese influenza and how it can lead to pneumonia.

In some cases, bacteria — or, rarely, fungi — may cause a sinus infection. The type of sinus infection you have depends on how long it lasts and how often you get it. Symptoms of acute ...

Fungal infections, such as athlete’s foot and ringworm, occur when one type of fungal microbe becomes too prevalent in one area of the body so that the immune system cannot defeat it.

Treatment depends on the type of STI. HIV has other routes ... Symptoms may appear within 4 to 8 weeks of infection. However, people can transmit scabies before developing symptoms.

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the ...

Findings highlight the importance of infection prevention measures and personalized heart failure care.

Siegel agreed that with multiple viruses circulating, it can be a challenge for practicing internists and infectious ... two types of influenza and COVID, Scarpino pointed out. "Of the four ...