Australian researchers report about a family in which the parents were Covid positive, but their children repeatedly tested negative & showed robust immune response.
The survey, conducted across 700 villages, also estimated that one in 15 individuals aged more than 10 years was estimated to have been infected in August.
The study focused on 91 paediatric Covid patients from 22 hospitals. The children were tested every 3 days on an average to understand how long virus shedding continues.
The study, published in the journal JAMA Internal Medicine, is also among the first few to academically distinguish between pre-symptomatic and asymptomatic patients.
Epidemiologists and disease modeling experts make sense of commonly used concepts like recovery and death rates, and explain misconceptions to be wary of.
New findings are being filtered through a distorting film of spin. A topic as neutral as the role of asymptomatic spread has been distorted by polarised narratives.
WHO has issued a new 10-page brief on Covid transmission after over 200 scientists wrote an open letter asking for revision of airborne transmission advisories.
The collusion between the new class of bureaucrats, politicians, businessmen and trade union bosses perpetuates itself partly because of the short-run benefits and partly because they see no way out of the system, wrote author MH Mody in 1980.
IAF is firming up plans to revamp airlift capabilities with medium transport aircraft that will be assembled in India & serve as its main workhorse. Embraer is leading contender as of now.
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