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The timeline can be navigated with the “Scroll Left” and “Scroll Right” buttons or by dragging the pointer to a date on the timeline waveform (located at the bottom of the screen on the desktop version and on the left of the screen on mobile). To filter by a particular topic and see a smaller section of the data, make a selection on the dropdown “Filters” menu or click “Search” to do a keyword search. Hover over the abbreviated filter tags in the blue boxes to see the complete name of the filter, or click a filter to display all the data with this tag. If you want to take a deeper dive into a specific topic by viewing a narrative essay page and a curated timeline, click on “Stories.”

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A micrograph with a large dark purple cell in the center with smaller circular cells and a marbled pinkish space surrounding them.
Micrograph of a malaria parasite liver infection. (Photo: Dr. Mae Melvin, USCDCP)

Malaria begins to move across the globe.

3000s BCE

EPD
Micrograph of a malaria parasite liver infection. (Photo: Dr. Mae Melvin, USCDCP)

By the 16th century, malaria will be found in every climate. Over the next 4,500 years, countless treatments and understandings of the disease will proliferate in song, written texts, and receipt books.