Publications by authors named "Nang T T Kyaw"

We report on five SARS-CoV-2 congregate setting outbreaks at U.S. Operation Allies Welcome Safe Havens/military facilities.

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Article Synopsis
  • Hepatitis C virus (HCV) and hepatitis B virus (HBV) coinfection significantly increase mortality rates among people with HIV (PWH), particularly when hyperglycemia is present.
  • In a study of 27,722 PWH in Myanmar, the mortality rate was found to be higher in individuals who were HBV or HCV seropositive, with the highest rates observed in those who were coinfected with both viruses and had hyperglycemia.
  • The study concluded that PWH with HCV seropositivity and hyperglycemia face the highest mortality risk, highlighting the need for targeted health interventions for these populations.
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Background: Comparing disease severity between SARS-CoV-2 variants among populations with varied vaccination and infection histories can help characterize emerging variants and support healthcare system preparedness.

Methods: We compared COVID-19 hospitalization risk among New York City residents with positive laboratory-based SARS-CoV-2 tests when ≥98% of sequencing results were Delta (August-November 2021) or Omicron (BA.1 and sublineages, January 2022).

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On May 17, 2022, the Massachusetts Department of Public Health (MDPH) Laboratory Response Network (LRN) laboratory confirmed the presence of orthopoxvirus DNA via real-time polymerase chain reaction (PCR) from lesion swabs obtained from a Massachusetts resident. Orthopoxviruses include Monkeypox virus, the causative agent of monkeypox. Subsequent real-time PCR testing at CDC on May 18 confirmed that the patient was infected with the West African clade of Monkeypox virus.

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Article Synopsis
  • An indoor convention held in NYC from November 19-21, 2021, attracted around 53,000 attendees and implemented safety measures including HEPA filtration, mandatory masks, and vaccination requirements.
  • Following the event, the first community-acquired case of the Omicron variant in the U.S. was reported, leading to investigations by the CDC and health departments regarding potential COVID-19 transmission among attendees.
  • Of 4,560 attendees tested, 119 (2.6%) tested positive for COVID-19, primarily showing a correlation between positive cases and attendance at certain venues like bars and nightclubs, but widespread transmission at the event was not confirmed.
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Objectives: Low BMI and hyperglycemia are each important risk factors for tuberculosis (TB). However, the contribution of synergy between low BMI and hyperglycemia to risk of TB among people living with HIV (PWH) is unexplored. We compared TB incidence among PWH with different exposure profiles to low BMI (BMI < 18.

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  • Japanese encephalitis (JE) is a dangerous mosquito-borne illness prevalent in the Yangon region of Myanmar, with no specific treatment available and high case fatality rates.
  • A study conducted in 2019 surveyed 600 parents/guardians of children aged 1-15 to assess their knowledge and perceptions about JE and its vaccination, revealing that 38% had good knowledge, 55% viewed JE as serious for young children, and 59% believed the vaccine to be effective.
  • The research found that vaccination coverage in the surveyed households was high at 97%, indicating a need for intensified education programs to maintain awareness and ensure ongoing vaccination against JE.
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  • Japanese encephalitis (JE) is a serious mosquito-borne disease with no specific treatment, and awareness of it among parents in the Yangon region of Myanmar is limited.
  • A community-based study conducted in 2019 found that 38% of the 600 parents/guardians surveyed had good knowledge of JE, while 55% recognized it as a serious threat to children, and 59% believed the vaccine was effective.
  • The study revealed a high vaccination coverage of 97% among children aged 1-15, suggesting the need for intensified education programs to maintain this coverage and further reduce JE incidence in the community.
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Myanmar has introduced routine viral load (VL) testing for people living with HIV (PLHIV) starting first-line antiretroviral therapy (ART). The first VL test was initially scheduled at 12-months and one year later this changed to 6-months. Using routinely collected secondary data, we assessed program performance of routine VL testing at 12-months and 6-months in PLHIV starting ART in the Integrated HIV-Care Program, Myanmar, from January 2016 to December 2017.

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Introduction: The World Health Organization's framework for TB/HIV collaborative activities recommends provider-initiated HIV testing and counselling (PITC) of patients with presumptive TB. In Myanmar, PITC among presumptive TB patients was started at the TB outpatient department (TB OPD) in Mandalay in 2014. In this study, we assessed the uptake of PITC among presumptive TB patients and the number needed to screen to find one additional HIV positive case, stratified by demographic and clinical characteristics.

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Background: Myanmar is endemic for Japanese encephalitis (JE) and has experienced several outbreaks in recent years. The vector-borne disease control (VBDC) program has collected hospital-based surveillance data since 1974. There is an urgent need to collate, analyze, and interpret the most recent information.

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Background: Myanmar has targeted elimination of malaria by 2030. In three targeted townships of Rakhine state of Myanmar, a project is being piloted to eliminate malaria by 2025. The comprehensive case investigation (CCI) and geotagging of cases by health workers is a core activity under the project.

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Screening of household contacts of patients with multidrug-resistant tuberculosis (MDR-TB) is a crucial active TB case-finding intervention. Before 2016, this intervention had not been implemented in Myanmar, a country with a high MDR-TB burden. In 2016, a community-based screening of household contacts of MDR-TB patients using a systematic TB-screening algorithm (symptom screening and chest radiography followed by sputum smear microscopy and Xpert-MTB/RIF assays) was implemented in 33 townships in Myanmar.

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Malaria accounted for 18% of all deaths in the ethnic communities of Myanmar. In this cross-sectional study, we assessed the extent of and factors associated with receipt of quality malaria treatment services provided by integrated community malaria volunteer (ICMV) under six ethnic health organisations. Data of people with malaria diagnosed by rapid diagnostic tests during 2017-2018 were extracted from the ICMV registers.

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Background: A series of interventions are required to prevent mother to child transmission (PMTCT) of Human Immunodeficiency Virus (HIV) starting from HIV testing of pregnant women, initiating antiretroviral therapy (ART) or antiretroviral prophylaxis to HIV-positive pregnant women to providing HIV prophylaxis to newborn babies. Gaps in each step can significantly affect the effectiveness of PMTCT interventions. We aimed to determine the gap in initiation of ART/antiretroviral prophylaxis for pregnant women living with HIV, delay in initiation of ART/antiretroviral prophylaxis and factors associated with the delay.

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Objectives: In 2017, Myanmar implemented routine viral load (VL) monitoring for assessing the response to antiretroviral therapy (ART) among people living with HIV (PLHIV). The performance of routine VL testing and implementation challenges has not yet assessed. We aimed to determine the uptake of VL testing and factors associated with it among PLHIV initiated on ART during 2017 in ART clinics of Yangon region and to explore the implementation challenges as perceived by the healthcare providers.

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Background: Pre-treatment loss to follow-up (PTLFU) among tuberculosis (TB) patients is a global public health problem, because such patients are highly infectious and experience high mortality. There is no published evidence on this issue from Myanmar.

Objective: To determine PTLFU and treatment delays (> 7 days duration between the date of diagnosis and starting anti-TB treatment) and their associated demographic, clinical, and health system-related factors among bacteriologically confirmed (sputum smear-positive and/or Xpert-positive) TB patients diagnosed in public health facilities of the Mandalay Region between January and June 2017.

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Article Synopsis
  • The text indicates a correction to a previously published article.
  • It references the specific article using its Digital Object Identifier (DOI) for easy access.
  • This correction may address errors or inaccuracies found in the original publication.
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Background: There is limited empirical evidence on the relationship between hyperglycemia, tuberculosis (TB) comorbidity, and mortality in the context of HIV. We assessed whether hyperglycemia at enrollment in HIV care was associated with increased risk of all-cause mortality and whether this relationship was different among patients with and without TB disease.

Methods: We conducted a retrospective analysis of adult (≥15 years) HIV-positive patients enrolled into HIV care between 2011 and 2016 who had random blood glucose (RBG) measurements at enrollment.

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Background: In Southeast Asia, though fishermen are known to be a key population at high risk of HIV, little is known about their co-infection rates with Hepatitis C virus (HCV), or how illness and risk behaviors vary by occupation or type of fishermen. In Myanmar, this lack of knowledge is particularly acute, despite the fact that much of the country's border is coastline.

Methods: We conducted a retrospective analysis to assess clinical, demographic, and risk characteristics of HIV-infected, ≥15-year-old males under HIV care from 2004 to 2014.

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Article Synopsis
  • - The study investigates the effectiveness of anti-retroviral therapy (ART) in preventing mother-to-child transmission (MTCT) of HIV among pregnant women in Mandalay, Myanmar, focusing on factors influencing ART uptake prior to delivery.
  • - From 670 HIV-positive women, 88% started ART, with significant factors including the pregnancy stage at enrollment; however, only 59% received ART for more than 8 weeks before delivery.
  • - It was found that women living outside Mandalay had delayed ART initiation after delivery, and those with unrecorded spouse HIV status were at a 40% higher risk of receiving ART for a shorter duration.
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Setting: Myanmar National AIDS Program has had significant scale-up of services and changes in CD4 eligibility criterion for ART initiation from 2013 to 2016. This study assessed early death within 6 months and attrition (death and loss to follow-up, LTFU) after ART initiation and their associated factors.

Design: A retrospective cohort study on people living with HIV (PLHIV >15 year of age) enrolled at three specialist hospitals in Yangon from 1st June 2013 to 30th June 2016.

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Background: In Myanmar, HIV seropositive children are being enrolled in an integrated HIV care (IHC) Program for HIV treatment and care since 2005.

Objectives: To assess the: (a) attrition (death or loss-to-follow-up) rates among children (aged ≥ 18 months to < 15 years) enrolled into the programme before and after initiation of anti-retroviral therapy (ART) (pre-ART and ART periods); (b) demographic and clinical factors associated with attrition during these two periods.

Methods: Children enrolled in IHC Programme and their status (death, lost to follow-up, regular follow-up or transferred out) was assessed as on 30 June 2017.

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Purpose Of Review: The intersection of tuberculosis (TB) disease and type 2 diabetes mellitus is severely hindering global efforts to reduce TB burdens. Diabetes increases the risk of developing TB disease and negatively impacts TB treatment outcomes including culture conversion time, mortality risk, and TB relapse. Recent evidence also indicates plausible mechanisms by which TB disease may influence the pathogenesis and incidence of diabetes.

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