Examples of smallpox

• But the number of countries where smallpox has been endemic fell from 30 in 1967 to four in 1973.

• This time there was plenty of fighting in strange jungle conditions, where the troops were furthermore stricken with smallpox.

• Secondly, deaths attributable to cholera, smallpox and even some to 'fever' were due to epidemics unrelated to the famine.

• Prior to admission, all children were given a cowpox vaccination to prevent smallpox and the orphanages employed a doctor who provided the necessary medical care.

• The study of immunity cannot be complete without mention of smallpox.

• At present such legislation does not appear to be relevant to smallpox virus which however does present a particular paradox.

• Although the smallpox virus is much larger than polio, the technical feasibility of artificially synthesizing smallpox is perhaps dubious.

• We estimated the fraction of the population susceptible, transmission potential and infection distributions from the published literature on the natural history of smallpox.