via Wikipedia infobox
Hepatitis A vaccine is a vaccine that prevents hepatitis A. It is effective in around 95% of cases and lasts for at least twenty years and possibly a person's entire life. If given, two doses are recommended beginning after the age of one. It is given by injection into a muscle. The first hepatitis A vaccine was approved in the European Union in 1991, and the United States in 1995. It is on the World Health Organization's List of Essential Medicines.
The World Health Organization (WHO) recommends universal vaccination in areas where the disease is moderately common. Where the disease is very common, widespread vaccination is not recommended as people typically develop immunity through infection during childhood. The US Centers for Disease Control and Prevention (CDC) recommends vaccinating:
via PubMed
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).