COVID-19 symptoms include: Cough Brief fever Shortness of breath Abdominal pain Loss of taste or smell Congestion Fatigue Sore Throat Nausea or vomiting Diarrhea Muscle or body aches Headache RSV ...

We may use terms like cold and the flu as if they are the same thing, but there are some key differences between them.

RSV usually starts with signs that look like a regular cold—runny nose, mild cough, and slight fever. But in some infants, especially those within one year of age, RSV can worsen rapidly.

RSV case numbers also remain high, with the 347 cases so far the most through the first two months of the year since at least 2017. The positive test rate of nearly 14.5% is the highest rate ...

The spread of whooping cough has been increasing since the early 2000s. But in 2025, there have been more than 8,000 cases of pertussis, more than twice as 2024.

There were more than 35,000 cases of whooping cough last year in the US, the highest number in more than a decade, and 10 people died — six of them less than 1 year old.