If you're seeing this message, it means we're having trouble loading external resources on our website.

Jeżeli jesteś za filtrem sieci web, prosimy, upewnij się, że domeny *.kastatic.org i *.kasandbox.org są odblokowane.

Główna zawartość

Temat: Choroby zakaźne

O tym dziale

There's an intricate dance between humans, viruses, bacteria, molds, and even tiny worms! They want to survive and replicate just like humans do... and this is why they cause infections. From the flu to HIV, we’ll explore the underlying mechanisms that these creepy crawlies use to reproduce and spread.