Immune Thrombocytopenia Purpura (ITP) secondary to vaccinations is rare, especially after autologous hematopoietic stem cell transplantation (HSCT). A 31-yearold female received autologous HSCT for relapsed Hodgkin Disease, with platelet engraftment at Day+14. One week after receiving second scheduled vaccinations, she developed severe thrombocytopenia (3x109/L) associated with pharyngeal hematoma. Bone marrow (BM) examinations were consistent with ITP, possibly secondary to Influenza vaccine. Platelet increment was poor despite high dose corticosteroids, intravenous immunoglobulin (IVIG), Danazol and Eltrombopag. A repeated BM biopsy was in agreement with ITP. Re-treatment with tapering doses of prednisolone resulted in stable platelet counts at 120x109/L a year later.
A newly developed fully liquid hexavalent vaccine that comprises six antigens for Diphtheria, Tetanus, acellular Pertussis, Inactivated Poliomyelitis, Haemophilus Influenza type b., and Hepatitis B, is proposed to be introduced in the Malaysian national immunization program, instead of the non-fully liquid pentavalent vaccine and monovalent Hepatitis B vaccine that is currently employed in the immunization schedule. Although the introduction of new vaccines is a necessary intervention, it still needs to be accepted by parents and healthcare professionals. Hence, this study aimed to develop three structured questionnaires and to investigate the participants' perception and acceptability toward the incorporation of the new fully liquid hexavalent vaccine. A cross-sectional study was conducted among a sample of 346 parents, 100 nurses, and 50 physicians attending twenty-two primary health care centers in the states of Selangor and the Federal Territory of Kuala Lumpur and Putrajaya during 2019-2020. The study found that Cronbach's alpha coefficients for the study instruments ranged from 0.825 to 0.918. Principal components analysis produced a good fit with KMO>0.6. For the parents' perception questionnaire, the only extracted factor explained 73.9 % of the total variance; for the nurses' perception toward a non-fully and fully liquid combined vaccine, there was a sole extracted factor that explained 65.2 % and 79.2% of the total variance, respectively. Whereas for the physicians' perception, there was one factor extracted that explains 71.8 % of the total variance. The median score for all the questionnaire items ranged from 4 to 5 (Q1 and Q3 vary between 3-5). Parents' ethnicity was significantly associated (P-value ≤ 0.05) with the perception that the new hexavalent vaccine would reduce their transportation expenses. Moreover, a significant association (P-value ≤ 0.05) was found between physicians' age and the perception of the hexavalent vaccine's ability to decrease patient overcrowding in primary healthcare centers. The instruments used in this study were valid and reliable. Parents of Malay ethnicity were the most concerned about transportation expenses since they have the lowest income and are more concentrated in rural areas compared to other races. Younger physicians were concerned about reducing patient crowding and hence reducing their workload and burnout.
Neonatal Tetanus is a severe disease with high fatality. It should no longer be present in a country with the development status of Malaysia. However, sporadic cases still occur and the disease has not been eradicated. This editorial summarises the disease pattern, incidence and suggests reasons for the continued persistence of the condition locally.
Tetanus is still widely prevalent in many parts of the world especially in the developing countries. This study was conducted to assess the demographic and clinical features, treatment and outcome of tetanus in adults with a special emphasis on identification of predictors of mortality. This was a retrospective study of all adult patients admitted with tetanus over a three-year period from 1998 to 2000 at Lok Nayak Hospital, New Delhi, India. The demography, clinical features, treatment and complications of the patients were assessed and were evaluated against two possible outcomes- survival or death, to identify the predictors of mortality. There were 217 adults (148 males, 69 females) admitted with generalized tetanus during the study period. The mean age of the patients was 36.08 +/- 18.84 years. In most instances (63.5%), wounds / injuries served as the source of infection. Overall 31.8% had mild, 21.7% had moderate and 46.5% had severe disease at presentation. Respiratory failure and dysautonomia were the frequently observed complications. Of the 217 patients, 82 died - a mortality rate of 37.78%. Parameters that were significantly associated with increased mortality were: age (especially > 60 years); shorter duration of symptoms - trismus, rigidity and dysphagia; severe disease at presentation and shorter period of onset. Tetanus is a preventable disease associated with a high fatality rate. Universal coverage of immunization programme and appropriate wound prophylaxis is the corner stone of tetanus eradication. The treatment of tetanus is difficult and requires specialized and intensive care. The presence of parameters indicating an adverse outcome at the beginning in the patients will help identify the subset of patients that need more intensive management especially in resource poor nations.
Malaysian infants would have to receive nine injections during the first few months of life in order to be protected against disease caused by hepatitis B (HBV), diphtheria, tetanus, pertussis and Haemophilus influenzae type b (Hib) if single HBV and Hib vaccines were used. We evaluated a combined DTPw-HBV/Hib vaccine administered at 1.5, 3 and 5 months after a birth dose of hepatitis B vaccine (HBV). One month after completion of the primary vaccination, 99% of subjects had seroprotective anti-HBV antibody levels, and at least 98% had seroprotective antibodies against diphtheria, tetanus, and Hib, and were seropositive for pertussis antibodies. The immune response to the combined vaccine was comparable to that induced by separate injections with DTPw, HBV and Hib vaccines. Overall, the DTPw-HBV/Hib vaccine was as well tolerated as separate administration of DTPw, HBV and Hib vaccines. The combined DTPw-HBV/Hib vaccine induces protection against five diseases as recommended in the Malaysian routine vaccination schedule. Use of the combined DTPw-HBV/Hib vaccine can reduce the required number of injections from nine to four in the first few months of life.
Tetanus is an acute, potentially fatal disease caused by Clostridium tetani. It is characterized by generalized, painful spasms and rigidity of skeletal muscles. We present two fatal cases and discuss the potential causes that lead to mortality in cases of tetanus infection
The infant immunization coverage for triple antigen (DPT) from 1968 and trivalent oral polio vaccine (TOPV) from 1972 to 1985 for Peninsular Malaysia are presented. It shows that immunization coverage improved when the recommended age for first dose of DPT was changed from the fourth to the second month of life in 1972 and declined when the recommended age for the first dose of DPT and TOPV was revised again from the second to the third month of life in 1980. The advantages of immunizing children early in life are discussed.
This study aims to study the demographics, clinical presentation, treatment and outcome of neonatal tetanus patients managed at Hospital Duchess of Kent from January 1st 2006 to December 31st 2006. Five neonates were studied. All presented with fever, poor sucking and limb stiffness, with a history of unsterile delivery and uncertain maternal tetanus immunity status. All were nursed in a minimal-stimuli environment and were given IV penicillin G, IM tetanus immunoglobulin and sedatives to control spasms. Nutrition and chest physiotherapy were rendered. Three patients required artificial ventilation. Duration of treatment ranged from 25 to 44 days. All survived. Inadequate maternal immunization, unsterile delivery and inappropriate umbilical cord care are major contributing factors of neonatal tetanus in our study. Supportive measures are the mainstay of treatment in our setting with very limited resources.
Matched MeSH terms: Tetanus/complications; Tetanus/diagnosis; Tetanus/drug therapy*; Tetanus/prevention & control
Little is known about the sero-prevalence of diphtheria anti-toxoid antibody levels among medical students in Malaysia. They too, just like other health care workers (HCWs) are at risk of contracting and transmitting diphtheria. Fortunately, this can be prevented by giving a specific vaccine: the diphtheria, tetanus and pertussis (DTP) vaccine. Nonetheless, data from local or regional surveys are needed before any decision is made by the respective authorities. General objective: We studied the epidemiology of diphtheria anti-toxoid antibody levels and vaccination history amongst medical students and staff in Faculty of Medicine and Health Sciences, Universiti Putra Malaysia. Specific objectives: We determined the level of diphtheria anti-toxoid antibodies amongst pre-clinical students and staff. Methodology: A total of 152 sera were collected from subjects aged 19 to 63, and diphtheria anti-toxoid levels were measured by an enzyme-linked immunosorbent assay. Results: One hundred and fifty-two (94.4%) blood samples out of 161 participants were successfully withdrawn, which comprised 105 (69.1%) and 47 (30.9%) medical students and staff, respectively. A total of 77.6% and the other 22.4% of the subjects had full and basic protection, respectively. Higher levels were predominant amongst males and they were 1.3 times more protected than females in 20-29 year-old group (85.1% vs 66.2%; odd ratios 1.25 [95% CI 1.03-1.50]; P=0.03). No significant difference in the levels of immunity among subjects for ethnicity and academic position (P>0.05). Recommendations: Level of full protection against diphtheria toxin should be clearly defined by broad population based studies using several comparable detection methods. Medical students and staff with basic protection should be closely monitored or should be given a booster dose for those who are at high risk of acquiring the disease. Thus, a standard degree of coverage should be clearly determined for health workers to prevent a potential outbreak. Conclusion: Students and staff possess immunity towards diptheria toxin however the level of full protective antibody is yet to be determined in future.
Objective: To study the demographic, clinical features, management and outcome of neonatal tetanus treated at Tawau Hospital.
Method: A retrospective study of neonatal tetanus admitted to a district hospital in Sabah was conducted.
Results: In 2015, the hospital handled 18 cases of babies with neonatal tetanus in the Tawau Hospital. This implies an occurrence of 1.5 cases per month. All the mothers were non-citizens and did not have any proper antenatal follow up. All the tetanus babies required invasive mechanical ventilation with a median of 20 days (range, 5 to 32 days). The survival rate was 94.4%.
Conclusion: Despite the promotion of maternal and childhood vaccination along with hygienic practices of delivery, neonatal tetanus still remains a threat to babies born in Sabah.
Whole-cell Pertussis (wcPertussis) vaccines combined with diphtheria and tetanus toxoids are effective in preventing clinical pertussis. The study aimed at determining the cost of managing fever and convulsions and cost of adverse events associated with wcPertussis. Parents who brought their children to health clinics and parents of children who were admitted for febrile convulsions were interviewed using structured questionnaire and the information were used to determine the cost of managing adverse events. Mean cost of managing mild fever per case was RM249, mean cost of managing high fever per case was RM1,036 and mean cost of managing convulsions was RM1,225. Total cost of managing adverse events was RM261 million for mild fever, RM66.7 million for high fever and RM1.3 million for convulsions. Costs of managing mild and high fever were less than the cost of managing convulsions. Total cost of managing mild fever was highest at RM261 million compared with RM66.7 million for high fever and RM1.3 million for convulsions. Thus, lower risk of adverse events actually contributed to higher costs of managing the adverse event.
KRAS G12A somatic point mutation in adenocarcinomas is categorized clinically as ineligibility criteria for anti-epidermal growth factor receptor (EGFR) monoclonal antibody therapies. In this study, a modified G12A-K-ras epitope (139A) with sequence-specific modifications to improve immunogenicity was developed as a potential vaccine against G12A-mutant KRAS cancers. Additionally, coupling of the 139A epitope with a tetanus toxoid (TTD) universal T-cell epitope to improve antigenicity was also reported. To facilitate convenient oral administration, Lactococcus lactis, which possesses innate immunomodulatory properties, was chosen as a live gastrointestinal delivery vehicle. Recombinant L. lactis strains secreting a G12A mutated K-ras control and 139A with and without TTD fusion were generated for comparative immunogenicity assessment. BALB/c mice were immunized orally, and high survivability of L. lactis passage through the gastrointestinal tract was observed. Elevations in B-cell count with a concomitant titre of antigen-specific IgG and interferon-γ secreting T-cells were observed in the 139A treated mice group. Interestingly, an even higher antigen-specific IgA response and interferon-γ secreting T-cell counts were observed in 139A-TTD mice group upon re-stimulation with the G12A mutated K-ras antigen. Collectively, these results indicated that an antigen-specific immune response was successfully stimulated by 139A-TTD vaccine, and a TTD fusion was successful in further enhancing the immune responses.