Hepatitis E vaccine shows strong coverage
Large trial in China indicates 87 percent protection against the virus
![hepatitis E transmission map](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/ns_hepE_map_free.png?fit=860%2C460&ssl=1)
TRANSMISSION RISK A vaccine offers long-lasting protection against hepatitis E, new research shows. The virus can spread when drinking water gets contaminated due to poor sanitation. Shaded areas denote countries where waterborne hepatitis E remains a health problem.
redmal/iStockphoto, adapted by E. Otwell; source: WHO