solar urticaria

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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Illustration by the CDC, reveals ultrastructural morphology exhibited by coronaviruses. Note the spikes on the outer surface of the virus, which impart the look of a corona surrounding the virion, when viewed electron microscopically. A novel coronavirus,

The Top COVID-19 Vaccine Myths Spreading Online

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland

The Largest Islands in the World

Communism - mosaic hammer and sickle with star on the Pavilion of Ukraine at the All Russia Exhibition Centre (also known as VDNKh) in Moscow. Communist symbol of the former Soviet Union. USSR

Why Did the Soviet Union Collapse?

Leon Trotsky

The Assassination of Leon Trotsky

solar urticaria

dermatology

Learn about this topic in these articles:

hives

In hives
…vesicles (large or small blisters); solar urticaria, produced by exposure to sunlight; and urticaria subcutanea, caused by swelling of the tissues underlying the skin.
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