what safety measures should be taken with this vaccine?
It should be taken for people with impaired immune systems, a woman planning on conceiving should not receive smallpox immunization.
Smallpox vaccine
The vaccine is infectious, which improves its effectiveness, but causes serious complications for people with impaired immune systems (for example chemotherapy and AIDS patients, and people with eczema), and is not yet considered safe for pregnant women. A woman planning on conceiving should not receive smallpox immunization. 
what is york city f.c.? A professional association football club based in the city of York, North Yorkshire, England. what is the identity of the club? From 2010, it was Red shirts worn with red, navy blue, light blue and white shorts. can you name a few players of this team? Barry Jackson, Norman Wilkinson, Keith Walwyn what was the last one's role in the team? He played as a striker and scored more than 100 goals for the club. what did he do after retiring from football? He opened a sports store in the Preston area. in which country is this area located? England who were the first human in this country? Homo antecessor were there any other settlers here? Celts does this country believe in folklore? Common folkloric beings include pixies, giants, elves, bogeymen, trolls, goblins and dwarves. Many legends and folk-customs are thought to be ancient. does the first being have a day named after it? Yes - Pixie Day why is it commemorated? It commemorates a legend of pixies being banished from the town to local caves known as the "Pixie's Parlour". what is one of its feature? Pixies are often described as ill-clothed or naked. what scientific development has the country that we talked about achieved? The smallpox vaccine, the jet engine, the first industrial spinning machine, the first computer and the first modern computer do we know any of its inventors? Edward Jenner's smallpox vaccine; The spinning frame developed by Richard Arkwright and John Kay. does this vaccine have types? Dryvax, Imvanex, Calf lymph
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Smallpox vaccine [SEP] Safety
The vaccine is infectious, which improves its effectiveness, but causes serious complications for people with impaired immune systems (for example chemotherapy and AIDS patients, and people with eczema), and is not yet considered safe for pregnant women. A woman planning on conceiving should not receive smallpox immunization. Vaccines that only contain attenuated vaccinia viruses (an attenuated virus is one in which the pathogenicity has been decreased through serial passage) have been proposed, but some researchers have questioned the possible effectiveness of such a vaccine. According to the Centers for Disease Control and Prevention (CDC), "vaccination within 3 days of exposure will prevent or significantly lessen the severity of smallpox symptoms in the vast majority of people.