influenza

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6 09, 2017

Influenza – History of Medicine

By |2019-09-19T05:32:46-07:00September 6th, 2017|Science|0 Comments

History of influenza: Influenza comes from chickens: this is a clay hen whistle from Mohenjo Daro (ca. 2700 BC, now in Brooklyn Museum) What is influenza? Influenza is a virus that mostly infects birds - like chickens - and pigs. But influenza can also attack people. Influenza history goes back a long, long time. Where do chickens come [...]

30 05, 2017

What is a virus? Evolution and biology

By |2017-05-30T10:58:32-07:00May 30th, 2017|Biology|2 Comments

The virus that causes AIDS (greatly magnified) HIV image copyright Russell Knightley Nobody is quite sure whether viruses are living things or not. The first living things may have come from viruses. But it's also possible that viruses evolved from living cells and got gradually less complex and more dependent on their hosts to live. [...]