Sexually Transmitted Diseases (STDs): An Overview and More

A viral infection is an infection caused by a virus. Viruses are microscopic organisms that are spread from person to person. Certain viruses, such as the common cold, flu, and COVID-19, can cause upper respiratory infections, while enteroviruses often cause vomiting and diarrhea. Viral sexually transmitted infections include HIV, herpes, HPV, and hepatitis B.

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