Background: Co-circulation of multiple dengue virus serotypes has been reported from many parts of the world including India, however concurrent infection with more than one serotype of dengue viruses in the same individual is rarely documented. An outbreak of dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS) occurred in and around Delhi in 2006. This is the first report from India with high percentage of concurrent infections with different dengue virus serotypes circulating during one outbreak.

The results indicate that about 85% of female population of Chandigarh is susceptible to toxoplasma infection and thus should be specifically educated about prevention of this infection during pregnancy.

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Rubella is traditionally considered a childhood disease but it has the potential to cause outbreaks in closed communities when a susceptible population accumulates. The present study reports an outbreak of rubella among healthcare workers in the pediatric center of a tertiary care North Indian hospital. The cases of rubella were identified by clinical features and confirmed by the detection of anti-rubella IgM antibodies in blood by enzyme linked immunosorbent assay. A total of 23 cases of rubella occurred over a period of one and a half month, out of which 9 (39%) were males. All the patients were in the age group of 21-35 years. None of the patients gave a history of rubella vaccination. This outbreak of rubella occurred due to the accumulation of a susceptible population in a closed hospital environment. There is need for the introduction of rubella vaccination in healthcare workers to prevent outbreaks at work place.