ICMR takes the first step in Controlled Human Infection Studies
In the last 50 years, CHIS studies have been carried out with thousands to accelerate vaccine development against typhoid and cholera
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Author: Prasad Ravindranath
A new diarrhoea-causing parasite found in Kolkata
NICED found nearly 5% of patients with diarrhoea were caused by different Entamoeba species and over 3% of patients were infected with E. moshkovskii
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The case for India switching from the oral to the inactivated polio vaccine
As long as wild poliovirus is present and any country continues to use the oral vaccine, the risk of polio emergence is real in a globalised village
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Unethical for India to continue using polio-causing oral vaccine
Switching from trivalent to bivalent OPV vaccine and introducing one dose of IPV was supposed to eliminate all type 2 vaccine-derived poliovirus cases, but such cases only increased sharply
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Intensity of extreme rainfall events estimated to increase by 15%
The intensity and frequency of extreme precipitation events is expected to increase as global warming continues to affect the planet
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Crowdsourced data from Twitter help identify flooded areas in real time
It is essential to know the ground condition to be able to forecast floods one or three days in advance. Information culled from tweets provide this information
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Mosquito surveillance must include non-residential urban environments
A study in Bengaluru city has found how urbanisation affects mosquito ecology and how mosquito species diversity and abundance changes across macro and microhabitats
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The role of the Y chromosome in cancer outcomes studied
Two studies have shed light on the role of the Y chromosome in cancer outcomes, in which males are often more adversely affected than females
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Indian pharma products exported to other countries fail the safety test, cause deaths
India can continue to be the pharmacy of the global south only if the regulator begins to behave like a watchdog to ensure drug safety, and not as a facilitator for the pharma industry
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Multiple spaceflights with shorter recovery time impact brain structure
Longer space missions and shorter inter-mission recovery time, induce fluid changes in the brain that may not return to normal before subsequent flights
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Bhubaneswar, Cuttack experience cooler days, warmer nights
The increase in relatively cooler regions during the daytime has been from 27% and 40% (2001-2010) to 73% and 63% (2011-2020) in Bhubaneswar and Cuttack, respectively
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IIT-Madras generates hydrogen from seawater using solar energy
The researchers have optimised all the parameters so that water electrolyte can directly use photovoltaic-derived voltage and current density to split water and generate hydrogen
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Study reveals evolutionary history, biogeographic origins of butterflies
According to the study published recently in the journal Nature Ecology and Evolution, butterflies originated in the Americas about 100 million years ago
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