Varicelliform eruption of Kaposi due to vaccinia virus complicating atopic eczema

How Contagious Is Vaccinia?

“…11 Nine of the 85 reported patients (11 percent) died. In the 1935 outbreak in Glasgow, all secondary cases occurred between 8 and 18 days after exposure.…”

Smallpox vaccination recommendations for contacts of pediatric cancer patients

“…Vaccinia‐naïve recipients may shed virus from the site longer and at a higher titer than those who were previously vaccinated 19. For contact vaccinia, the incubation period from the date of contact in immunocompetent individuals ranges from 5 to 19 days with a mean of 10.6 days 20.…”

Perifolliculitis Capitis Abscedens Et Suffodiens With Rheumatoid Arthritis

“…Generalized vaccinia occurs once in 20,000 to 40,000 vaccinations,1 and in about two-thirds of such cases the condition develops in persons with diseases of the skin.2 During the 1947 mass vaccination campaign in New York City, the incidence of eczema vaccinatum was approximately one per 150,000 vaccinations. 3 Patients with atopic dermatitis seem to have a predilection for generalized infections with the viruses of vaccinia and herpes simplex. In 1887 Kaposi described an acute vesiculopustular febrile infection occurring in eczematous patients.…”

“…Roentgenograms revealed bony defects. 3. Physical examination revealed a smooth enlarged liver extending three fingerbreadths below the costal margin.…”