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 2,027,840 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)


West J Med 1977 Sep
PMID:Granulomatous giant cell angiitis of the central nervous system. 2 Jun 94

In 1962, when the smallpox eradication programme was launched in India, there were 3909 reported cases in Rajasthan. Mass vaccination was introduced but had little impact on the incidence of the disease; in 1970, 4074 cases were reported and in 1971, the reported incidence (4821 cases) was the highest in India. Changes in the vaccination technique, the use of a new and potent vaccine and the introduction of a new strategy based on surveillance and containment of outbreaks, rather than mass vaccination, brought good results. By 1972, only 1970 cases were reported and endemic smallpox was eliminated from Rajasthan before the launching of the intensified all-India compaign in July, 1973. In 1974, epidemics were occurring in the neighbouring states of Uttar Pradesh and Madhya Pradesh as well as in Bihar and West Bengal. But in that year, there were only 10 new smallpox outbreaks in Rajasthan, all originating from imported cases. The organization and progress of the eradication campaign and the history of smallpox eradication in Rajasthan are described in this communication.
Acta Trop 1977 Sep
PMID:Smallpox eradication in Rajasthan, India. 2 57

Western equine encephalomyelitis (WEE) virus strains from the eastern and western United States were compared using two biological markers: antigenic properties measured by cross complement fixation (CF) tests and the size of plaques produced in Vero cell cultures. Slight antigenic differences were discernible on a geographic basis, and all of the virus strains from the West produced significantly larger plaques than the eastern isolates. One virus strain from each region was serially passaged in Culex tarsalis and Culiseta melanura by intrathoracic inoculation. No change in plaque size was detected as a result of mosquito passage. After passage of the eastern strain of WEE virus in C. tarsalis, its mouse brain CF antigen titer was increased to resemble the high CF antigen titer produced by the western strain. However, the antisera titers did not change when tested with this antigen. A cross plaque reduction neutralization test (PRNT) with the two virus strains before and after passage in mosquitoes failed to reveal any antigenic changes.
Acta Virol 1978 Sep
PMID:Variations in biological properties of geographic strains of western equine encephalomyelitis virus before and after passage in Culex tarsalis and Culiseta melanura. 3 Feb 65


West J Med 1975 Sep
PMID:Promising developments in viral hepatitis. 5 39


West J Med 1975 Sep
PMID:Serology and epidemiology. 5 38

After B.C.G. vaccination of a group of tuberculin-negative children in West Bengal, India, 197 have been retested with tuberculin. 35-5% showed a definitely positive reaction. Only 15% showed no response to B.C.G. When compared by weight for age, the rate of positivity of those below 60% of the Harvard standard was significantly lower than of those above 80%. Those between 60 and 80% were similar to those above 80%. However, when the group was subdivided according to protein and calorie nutrition as measured by arm muscle and fat cross-sectional areas, the difference was striking. The tuberculin-test response was grossly impaired in those who were primarily severely protein deficient (kwashiorkor type), significantly depressed in those who were both severely protein and severely calorie deficient (marasmic-washiorkor type), and not depressed in those who were severely calorie deficient but normal or low in protein (marasmic type). It is suggested that clear distinction between different types of nutritional deficiency in a given geographic area is of direct relevance in planning mass vaccination programmes in that area.
Lancet 1976 Sep 11
PMID:Protein and calorie malnutrition, cell-mediated immunity, and B.C.G. vaccination in children from rural West Bengal. 6 Jun 20

A case/control study of patients with primary hepatic carcinoma (P.H.C.) and their families was carried out in Dakar, Senegal. 28 P.H.C. cases were matched by age,sex, and ethnic group with 28 controls. Serum was collected from cases, controls, parents (28 mothers, 27 fathers) of cases, parents of controls, 71 siblings of cases, and 58 siblings of controls. Assays of their sera for hepatitis-B surface antigen (HBsAg), antibody to HBsAg (anti-HBs) and antibody to hepatitis-B core antigen (anti-HBc) produced the following results. (1) Nearly all P.H.C. cases (97%) and controls (93%) had some evidence of infection with hepatitis-B virus (H.B.V.), but the cases were more likely to be anti-HBc(+) and less likely to be anti-HBs(+) than the controls. (2) Most of the mothers of the cases were HBsAg(+) (71%), whereas only 14% of the mothers of controls were HBsAg(+). Lover titres of anti-HBs were less common in the mothers of the cases. (3) None of 27 fathers of cases had detectable anti-HBs, but 13 (48%) of the fathers of controls were anti-HBs(+). (4) Siblings of the P.H.C. cases were more likely to have anti-HBs than either their sibs with P.H.C. or the sibs of the controls. However, sibs of P.H.C. cases had lower titres of anti-HBs than the sibs of the controls. These data are consistent with the hypothesis that the P.H.C. cases were infected with H.B.V. by their mothers and that there was an environmental factor which affected the immunological response of all family members to H.B.V. Infection with H.B.V. and the mode of response to that infection among members of families appear to be major factors in the aetiology of P.H.C. in West Africa.
Lancet 1976 Sep 11
PMID:Host responses to hepatitis-B infection in patients with primary hepatic carcinoma and their families. A case/control study in Senegal, West Africa. 6 Jun 21

Protective immunity against Plasmodium falciparum develops only after several years of repeated exposure to the malarial parasite. We therefore investigated the possibility that acute malaria was associated with malarial antigen-specific immunosuppression. Peripheral lymphocytes of West Africans with and without P. falciparum infections were tested for their in vitro proliferative responses to a preparation of P. falciparum antigen. There was no significant difference between the magnitude of the proliferative response of lymphocytes from infected as compared to normal Africans, although the responses from both African groups were significantly higher than responses from a group of European controls. Furthermore, no soluble inhibitor of antigen-specific proliferation was present in plasma of infected patients. These observations strongly suggest that if the sluggish development of protective immunity in malaria is based upon infection-related immunosuppression, this occurs without affecting the proliferative responsiveness of specific sensitized, circulating T cells. Preliminary observations also indicate that Europeans residing in Africa and taking malaria prophylaxis may acquire sensitized T cells without experiencing clinically apparent infections.
Clin Exp Immunol 1977 Sep
PMID:Malaria antigen-specific T-cell responsiveness during infection with Plasmodium falciparum. 7 36

60 people who had been bitten by the carpet viper, Echis carinatus, were seen in four months at Zungeru Health Centre, in North West Nigeria, where snake-bite patients have recently occupied 10% of beds. Health statistics greatly underestimate the frequency, morbidity, and mortality of snake bite in the rural tropics and further studies will probably confirm other areas endemic for E. carinatus within its vast distribution zone. Regular supplies of effective antivenom are crucial to gain a community's confidence in conventional, as opposed to traditional, treatment. Paramedical staff in a rural clinic can be trained in the definitive management and treatment, including successful antivenom therapy, of most snake-bite patients.
Lancet 1979 Sep 22
PMID:Bites by the carpet viper in the Niger Valley. 9 Feb 81


West J Med 1978 Sep
PMID:Medical staff conference. Paget disease of bone. 10 Sep 71


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