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Objective: To assess national and regional trends and causes‐specific distribution of maternal mortality in India. Design: Nationally representative cross‐sectional surveys. Setting: All of India from 1997 to 2020. Sample: About 10 000 maternal deaths among 4.3 million live births over two decades. Methods: We analysed trends in the maternal mortality ratio (MMR) from 1997 through 2020, estimated absolute maternal deaths and examined the causes of maternal death using nationally representative data sources. We partitioned female deaths (aged 15–49 years) and live birth totals, based on the 2001–2014 Million Death Study to United Nations (UN) demographic totals for the country. Main outcome measures: Maternal mortality burden and distribution of causes. Results: The MMR declined in India by about 70% from 398/100 000 live births (95% CI 378–417) in 1997–98 to 99/100 000 (90–108) in 2020. About 1.30 million (95% CI 1.26–1.35 million) maternal deaths occurred between 1997 and 2020, with about 23 800 (95% CI 21 700–26 000) in 2020, with most occurring in poorer states (63%) and among women aged 20–29 years (58%). The MMRs for Assam (215), Uttar Pradesh/Uttarakhand (192) and Madhya Pradesh/Chhattisgarh (170) were highest, surpassing India's 2016–2018 estimate of 113 (95% CI 103–123). After adjustment for education and other variables, the risks of maternal death were highest in rural and tribal areas of north‐eastern and northern states. The leading causes of maternal death were obstetric haemorrhage (47%; higher in poorer states), pregnancy‐related infection (12%) and hypertensive disorders of pregnancy (7%). Conclusions: India could achieve the UN 2030 MMR goals if the average rate of reduction is maintained. However, without further intervention, the poorer states will not. We estimated that 1.3 million Indian women died from maternal causes over the last two decades. Although maternal mortality rates have fallen by 70% overall, the poorer states lag behind. We estimated that 1.3 million Indian women died from maternal causes over the last two decades. Although maternal mortality rates have fallen by 70% overall, the poorer states lag behind. [ABSTRACT FROM AUTHOR]

In 2006, Tahyna virus was isolated from Culex spp. mosquitoes collected in Xinjiang, People's Republic of China. In 2007, to determine whether this virus was infecting humans, we tested serum from febrile patients. We found immunoglobulin (Ig) M and IgG against the virus, which suggests human infection in this region. [ABSTRACT FROM AUTHOR]