| smallpox studies in madras city, india. | | 1968 | 4296147 |
| studies of smallpox antibody levels of sera from samples of the vaccinated adult population of madras. | in view of the endemicity of smallpox in madras and the poor take rate on revaccination with the lymph in current use, it was felt that the immunity of the general adult population might be relatively low. in an attempt to obtain some measure of this, sera were obtained from over 300 adults in madras for the estimation of serum antibody. the results of neutralization tests against variola virus made on these sera showed that about 10% of those who had good scars from infant vaccination showed li ... | 1961 | 13887635 |
| air sampling to recover variola virus in the environment of a smallpox hospital. | the view is widely held that variola is highly infectious, and it was therefore thought of interest to obtain precise information on the amount of virus disseminated in the air by smallpox patients at various stages of their illness. to this end, measured samples of air in and around the smallpox wards of the infectious diseases hospital, madras, were tested for the presence of variola virus. surprisingly, virus was recovered on one occasion only by the air sampling device used. all other tests ... | 1961 | 14472202 |