varicella virus वाक्य
"varicella virus" हिंदी में varicella virus in a sentenceउदाहरण वाक्य
- And recent studies have refuted another concern about the vaccine : that because it uses a live varicella virus, it might increase the risk of shingles, an infection of the nervous system that is caused by the virus and often occurs decades after it has lain dormant in the body.