Beijing 2022 organisers ease COVID-19 curbs for Games-related personnelThe changes, which take immediate effect, include easing the threshold for being designated positive for COVID-19 from PCR tests, and reduc...
Omicron sibling can't be detected by imported RT-PCR kits: ExpertsThe elusive sibling (sub-lineage) of the Omicron variant, BA.2, cannot be picked up by the imported RT-PCR kit having an S gene drop, resea...
All 191 Covid samples genome sequenced at ILBS between Oct, Nov were Delta variant: OfficialThe facility at ILBS is equipped with the latest machines called NextSeq and MiSeq which can sequence the whole virus to the tune of 400 se...
Delta strain eight times less sensitive to vaccine antibodiesThe study found that the Delta variant not only dominated vaccine-breakthrough infections with higher viral loads compared with non-Delta i...
Delta variant shows 8-fold sensitivity to vaccine elicited antibodies: StudyAs per the study, the variant is less sensitive to neutralising antibodies from recovered individuals, with higher replication efficiency a...
Delta reinfected several hit in first Covid wave: StudyGiven Delta's immune system evasion ability, the study cautioned that strong ‘infection control measures’ and boosting vaccine response wou...
What is CT-count in a COVID-19 test? All you need to knowThe CT count helps determine the viral load present in a covid patient's body. To simplify, lower the CT value, higher is the viral load an...
Coronavirus: What is CT-count in a COVID-19 test? What does it tell you about your infection?The positivity criteria for the samples is determined by the number of 'cycles' or cycle threshold needed to detect the virus presence in t...
Lower cut off for RT-PCR test will lead to missing infections: ICMR to MaharashtraThe ICMR said as per uniform consensus, a single cut off of 35 with good sigmoidal real time RT-PCR curve is acceptable.
Two +ve tests at interval of 102 days with one -ve defined as SARS-CoV-2 re-infection: ICMR studyAccording to the study 'SARS-CoV-2 re-infection: development of an epidemiological definition from India' which has been published by Cambr...
GenePath Diagnostics develops quantitative COVID-19 test kit for drug makersThe kit is currently being used by a couple of unidentified drug makers in India, said GenePath Diagnostics CEO Nickhil Jakatdar. He said t...
Faster antigen tests may be more useful in Covid-19 fight: Research reportAntigen tests that are less accurate but give quicker results may be much more useful in containing the Covid-19 pandemic than gold standar...
Using science is reliable way forward in managing Covid-19: Kiran Mazumdar-ShawThe 67-year-old entrepreneur tested positive on August 17 and had mild symptoms throughout until she tested negative for the virus on Monda...
Indian scientists find higher viral load in asymptomatic COVID-19 patientsThe researchers, including those from the Centre for DNA Fingerprinting and Diagnostics (CDFD) in Hyderabad, advise testing asymptomatic pr...