Children who previously had COVID-19 or the inflammatory condition MIS-C are not protected against the Omicron variant of coronavirus, according to a study which found vaccination, however, does afford protection.
As India witnessed the highest number of Covid cases in over four months, former All India Institute of Medical Sciences (AIIMS) director Dr Randeep Guleria on Wednesday said the new XBB.1.16 variant could be driving the recent rise but emphasised there was no need for panic as long it does not cause severe illness and deaths.
Two known Omicron sub-variants -- rather than any new variants -- have chiefly been responsible for the recent Covid-19 surge in China, according to a study of cases in Beijing published in The Lancet journal.
Omicron is a 'deviant' from the COVID-19 pandemic progression script and so it must be postulated that two pandemics are going on side by side, one by the Delta and close relatives and the other by the latest variant of concern, said noted virologist Dr T Jacob John.
The company claims that when the Nitric Oxide Nasal is sprayed over nasal mucosa it acts as a physical and chemical barrier against the virus.
It was on January 30, 2020 when a third-year medical student from Wuhan university tested positive for coronavirus, becoming the country's first COVID-19 patient, days after she had returned home following semester holidays.
'Unless we see four weeks of low and stable numbers with only minor fluctuations, we cannot call the valley as endemic just as yet'