[Various memorable dates from the history of smallpox vaccination].

Several dates of memory from the history of the vaccination against smallpox are to be registered for the year 1990. The birthday of the vaccination propagandist Johann Adam Reimann comes round the 300th time, the initial date of relevant university instructions comes round the 200th time. Issuing from this the history of vaccination against small pox is touched on at the instance of several marking points.