The diagnosis of hepatitis A virus (HAV) infection is based on the detection of anti-HAV IgM. Shortcomings of this serological approach include the persistence of IgM after normalization of liver ...

And if you’re pregnant, you can pass it on to your newborn. Viral hepatitis is an inflammation of your liver that's caused by a virus. The most common ones in the U.S. are hep A, B, and C.

The city is urging anyone who ate at the restaurant or ordered takeout from there between Jan. 31 and Feb. 9 to get a hepatitis A vaccine, if they were not previously vaccinated.