A Science and Technology Blog
While fitted N95 masks allowed zero droplets to pass through, the three-layered surgical masks too performed very well with 0-10% droplet transmission. N95 masks with exhalation valve fared poorly. Double-layered…
With over 60,000 daily fresh cases, India has been reporting the highest numbers in the world for the last few days. Yet, the high test positivity rate strongly suggests that…
Nearly 1,00,000 (97,078 to be specific) children were infected with novel coronavirus in just two weeks during the period July 16-30. There were 20 deaths during this time. The cumulative…
While there is a clear case for ‘immunity passports’ with some restrictions for people who have recovered from COVID-19, the issue of handing out such certificates is an ethical minefield.…
A study has found that people who are infected with novel coronavirus but don’t exhibit symptoms carry the same amount of virus as those who are symptomatic. The study also…
Researchers have been able to isolate virus from air samples collected 2 to 4.8 metres away from the patients. The viability of the virus present in air was proved by…
One more study has shown that pre-existing T cell memory against four common cold coronaviruses can cross-recognise novel coronavirus (SARS-CoV-2) even when the person has never been infected with SARS-CoV-2…
India reported one million cases of novel coronavirus and 25,000 deaths on July 16. In all likelihood, India will cross the two million mark today (August 6). Since crossing one…
