Surveillance and Control Measures after Smallpox Outbreaks
Figure 2. Timeline of Edinburgh outbreak: key events and control interventions (8,11). †June 30: great majority of other essential personnel vaccinated (11). Some public vaccination by private practitioners (≈ 4% [20,000]). ‡November 1: quarantine and daily surveillance of (present and past) patients and visitors to Royal Infirmary (8). ¶November 8–December 8: further vaccination centers opened after 3 more cases occurred. Sixty sessions held each day. One vaccination centre reopened December 9–12 and December 21–24 to cope with a few isolated cases (8,11).