Ask the Chatbot Games & Quizzes ProCon History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
PV2
Directory
References
Quizzes
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
Discover
Thumbnail for flags that look alike quiz Russia, Slovenia, Iceland, Norway
Flags That Look Alike
Thanksgiving Celebration Traditional Dinner Setting Food Concept
Why Is Thanksgiving in the U.S. Celebrated on a Thursday?
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.
The 6 Deadliest Earthquakes Since 1950
A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000
14 Tough Questions Answered
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Super Typhoon Noru over the western tropical Pacific Ocean as observed by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA Aqua satellite July 31 2017
What Is the Difference Between a Typhoon and a Super Typhoon?

PV2

virus

Learn about this topic in these articles:

polio

  • Polio vaccine
    In polio

    …forms) of wild poliovirus: PV1, PV2, and PV3. The most widespread serotype is PV1. Both PV2 and PV3 have been eradicated.

    Read More