Publications by authors named "Shrikrishna Joshi"

Refractory High-Entropy Alloys (RHEAs), such as NbMoTaW, MoNbTaVW, HfNbTaZr, ReHfNbTaW, NbTiAlVTaHfW, TiNbMoTaW (x = 0, 0.25, 0.5, 0.

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Article Synopsis
  • In 2018, the Navi Mumbai Municipal Corporation launched a typhoid vaccine campaign aimed at children aged 9 months to 14 years.
  • The study analyzed factors influencing vaccine receipt using statistical methods and found that school enrollment, low household income, and community-level socioeconomic status significantly increased vaccine uptake.
  • The campaign effectively targeted and vaccinated underserved populations, improving access to healthcare among the most vulnerable demographics.
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Typbar-TCV®, a typhoid conjugate vaccine (TCV), was prequalified by the World Health Organization in 2017. We evaluated its effectiveness in a mass vaccination program targeting children 9 months to 14 years in Navi Mumbai, India, from September 2018 to July 2020. We compared laboratory-confirmed typhoid cases from six clinical sites with age-matched community controls.

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  • * CVA6 was notably linked to an atypical rash that spread beyond typical locations like hands and mouth, affecting areas like the face and trunk, while co-infections and recurrent cases were also observed.
  • * Molecular analysis categorized CVA6 as group D3 and CVA16 as group B1c, emphasizing the importance of monitoring changes in the clinical features of enteroviruses associated with HFMD.
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India has one of the highest estimated burdens of enteric fever globally. Prior to the implementation of Typbar-TCV typhoid conjugate vaccine (TCV) in a public sector pediatric immunization campaign in Navi Mumbai, India, we conducted a retrospective review of blood culture-confirmed cases of typhoid and paratyphoid fevers to estimate the local burden of disease. This review included all blood cultures processed at a central microbiology laboratory, serving multiple hospitals, in Navi Mumbai (January 2014-May 2018) that tested positive for either Salmonella Typhi or Salmonella Paratyphi A.

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  • The study involved whole-genome sequencing of 174 Typhi and 54 Paratyphi A samples in Navi Mumbai, focusing on the emergence and spread of antimicrobial resistance during a typhoid vaccine rollout.
  • Most of the bacteria showed resistance to fluoroquinolones, with some carrying genetic mutations linked to ceftriaxone resistance, indicating independent evolution of resistant strains.
  • Results revealed two main clades of Typhi in the area, suggesting repeated introductions of the bacteria and a strong correlation between genetic clustering of isolates and their geographical distance, emphasizing the need for better water and sanitation measures alongside vaccination efforts.
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Nearly ~ 10 types of High entropy alloys (HEAs) can be developed from about 64 elements in the periodic table. A major challenge for materials scientists and metallurgists at this stage is to predict their crystal structure and, therefore, their mechanical properties to reduce experimental efforts, which are energy and time intensive. Through this paper, we show that it is possible to use machine learning (ML) in this arena for phase prediction to develop novel HEAs.

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Background: The World Health Organization recommends vaccines for prevention and control of typhoid fever, especially where antimicrobial-resistant typhoid circulates. In 2018, the Navi Mumbai Municipal Corporation (NMMC) implemented a typhoid conjugate vaccine (TCV) campaign. The campaign targeted all children aged 9 months through 14 years within NMMC boundaries (approximately 320 000 children) over 2 vaccination phases.

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Contribution of finite element method (FEM) as a modelling and simulation technique to represent complex tribological processes has improved our understanding about various biomaterials. This paper presents a review of the advances in the domain of finite element (FE) modelling for simulating tribology, wear, cutting and other processes involving high-strain rate plastic deformation of metals used in bio tribology and machining. Although the study is largely focused on material removal cases in metals, the modelling strategies can be applied to a wide range of other materials.

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Background: India is among the nations reporting substantial healthcare burden linked to pneumococcal infections. Nafithromycin is a novel lactone ketolide antibiotic, which recently entered Phase 3 development in India for the indication of community-acquired bacterial pneumonia (CABP).

Objectives: To assess the activity of nafithromycin against serotyped invasive and non-invasive isolates, collected from nine medical centres across India.

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, belonging to group A streptococcus (GAS), causes over 600 million infections annually being a predominant human pathogen. Lack of genomic data on GAS from India is one limitation to understand its virulence and antimicrobial resistance determinants. The genome of GAS isolates from clinical samples collected at Navi Mumbai, India was sequenced and annotated.

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Background: Invasive pneumococcal disease continues to be a major cause of morbidity and mortality among children younger than 5 years of age in India. We aimed to provide nationally representative data for the pattern of disease due to Streptococcus pneumoniae, trends in the serotype of invasive pneumococci, and invasive pneumococci antimicrobial resistance patterns, in India.

Methods: In this prospective hospital-based and retrospective laboratory-based surveillance study, we prospectively enrolled children aged younger than 5 years with suspected or proven invasive pneumococcal disease from 18 hospitals or institutional centres and retrospectively included laboratory-confirmed pneumococcal isolates from ten sentinel laboratories, together representing 11 states in India.

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