विकलांगता शिविर में 142 ने कराया रजिस्ट्रेशन, जांच हुई सिर्फ 82 की

Pfizer and BioNTech said Monday their COVID-19 vaccine remained 100 percent effective in children 12 to 15 years old, four months after the second dose.

from NDTV News - World-news https://ift.tt/32jdReA