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SETTING: The southern Indian state of Kerala has implemented ‘Kerala Tuberculosis Elimination Mission’ as ‘People’s Movement against TB’ under the stewardship of local governments (LGs). The state has been certified by the Government of India for being on track to attain the UN Sustainable Development Goals related to TB elimination. OBJECTIVE: To document the role of LG stewardship in the successful implementation of the TB elimination activities in Kerala. DESIGN: 1) Key informant interviews with four state officials, 2) desk review of available documents, 3) in-depth interviews with seven LG leaders, three mid-level programme managers and three health department field staff. RESULTS: LG involvement led to the establishment of solutions based on local problems, enhanced outreach of services to the socially vulnerable individuals, improved treatment support to patients with TB, increased community ownership of TB elimination activities, reduced TB-related stigma and social determinants being addressed. Institutional mechanisms such as LG TB elimination task forces, formal guidance in planning interventions and appreciation of their performance in the form of awards were facilitators for LG involvement. CONCLUSION: LG stewardship can accelerate TB elimination. A good plan for engagement and institutional mechanisms are crucial for LG involvement.

Modelling the dynamics of mosquito borne disease (MBD) cases is a challenging task. The current study first proposes a generic dynamical model to qualitatively understand the seasonality as well as outbreaks of malaria and dengue over the state of Kerala based on a climate forced oscillator model, which is then supplemented by a data driven model for quantitative evaluation. The proposed forced oscillator model is parametric and general in nature which can be qualitatively used to understand the seasonality and outbreaks. However, since parametric model-based estimation require estimation of multiple parameters and several closure assumptions, we used the K-means clustering which is a data driven clustering approach to understand the relationship between Malaria and Dengue cases and climate forcing. The results showed a clear relationship of the MBD cases with the first order and second order moments (i.e. mean and standard deviation) of the climate forcing parameters. Based on this, we came up with an objective threshold criterion which relates the climate parameters to the number of cases of malaria and dengue cases over Kerala.

Kerala, the southern Indian state piloted Lung Health Care Project (LHCP) which is a locally adopted version of WHO recommended Practical Approach to Lung health (PAL). The current study assessed the impact of the project on the prescribing practices of doctors and consumption of antibiotics and other drugs.This study compared performance of primary health care institutions with regard to drug prescriptions and consumptions before and after the implementation of the project. Chronic respiratory disease (CRD) patients in institutions implemented the project were interviewed in the OPD at exit and their prescriptions were documented at baseline and after six months. Focus group discussions were conducted with doctors to explore the reasons behind changes in drug consumption pattern.In the project implementing institutions, mean number of drugs prescribed for CRDs was 3.88 (SD 1.50) and 2.73 (SD 1.18) at baseline and after six months respectively (p 0.001). Adjusted odds ratio for prescribing an antibiotic and injection to a CRD patient during impact assessment at institutions implementing project was 0.34 (95% CI 0.15-0.75 p 0.008) and 0.39 (95% CI 0.20-0.74 p 0.004) respectively, as compared to baseline. The factors which helped in reducing antibiotic and injection use as felt by the doctors were presence of a protocol, good quality trainings, supportive supervision and monitoring, availability of alternate drugs and good participation of staff nurses especially in-patient education.Strict adherence to diagnostic and management algorithms of Lung health care project in a primary health care setting in India helped in reducing pill burden to patients and prescription of antibiotics and injections.

Late'iki (previously known as Metis Shoal) is a highly active volcano in the Tofua arc with at least four temporary island-building eruptions and one submarine eruption in the last 55 years. The most recent eruption, commencing in October 2019, resulted in lava effusion and subsequent phreatic explosions, the construction of a short-lived island that was quickly eroded by wave action and possibly further phreatic activity that continued into January 2020. The two-pyroxene dacite from the 2019 eruption is similar to the 1967/8 eruptions suggesting the magma is residual from earlier eruptions and has not undergone further differentiation in the last 50 years. New observations of the 2019 eruption site confirm the lava-dominant character of the volcano summit but a thin veneer of wave-reworked, finely fragmented lava material remains that is interpreted to have been produced by phreatic explosions from hot rock-water interactions during the effusive eruption. A notable absence of quench-fragmented hyaloclastite breccias suggests that non-explosive quench fragmentation processes were minimal at these shallow depths or that hyaloclastite debris has resedimented to greater depths beyond our summit survey area.

Background: A robust disaggregated understanding of the determinants of tuberculosis (TB) in each local setting is essential for effective health system and policy action to control TB. Objectives: The objective of the study was to identify population attributable risk (PAR) for TB disease based on the locally available evidences for Kerala, India. Methods: Systematic review was done for risk factors of TB in the state. The second set of searches was done to understand the prevalence of the identified risk factors in general population in Kerala. With all available studies and reports, an expert group consensus was made to finalize state-specific prevalence of risk factors. Population attributable fractions were calculated for identified risk factors. Results: PAR for TB disease in Kerala obtained was 24% for undernutrition, 15% for diabetes, 15% for tobacco use, and 1% for HIV. Conclusion: Kerala state's PAR for TB was comparatively lower for HIV but higher for diabetes mellitus. Similar exercises for summarizing population risk factors need to happen at all states for making plans to effectively combat TB.

Objectives: Retrospective analysis of the utility of serial measurements of serum acetylcholinesterase (AChE) in predicting the duration of stay in the intensive care unit (ICU), duration of mechanical ventilation (MV) and outcome of the patient from MV in organophosphate (OP) compound poisoning patients. Materials and Methods: The medical records of patients who presented to tertiary care hospital with symptomatic insecticidal poisoning from January 2009 to December 2010 were utilized for the study purpose. Forty four patients with history of poisoning were admitted during this period. Out of these 37 patients with history of OP poisoning, without any underlying diseases and whose serial AChE activity levels were available were included in the study. Data regarding clinical manifestation at presentation, AChE activity results and its interpretation, details of patient management and data on outcomes of patients were noted. Results: Serum acetycholinesterase levels below 1,250IU/L, 1,789IU/L and 2,764IU/L on day three, day four and five respectively indicates longer duration of stay in the ICU. Patients with serum AChE levels below 975IU/L, 876IU/L, 1,245IU/L, 1,395IU/L and 1,875IU/L on day one, two, three, four and five respectively take a longer time to be out of mechanical ventilation. Levels below 870IU/L, 1,110IU/L, 1,020IU/L and 885IU/L on day two, three, four and five respectively indicate poor prognosis of the patient and mortality. Conclusion: We conclude that the serial measurements of serum acetylcholinesterase levels can be useful in predicting the length of ICU stay, duration of mechanical ventilation and the prognosis of the patient with OP poisoning.