A successful plan to counter Covid-19 is just adopting the level of caution of the initial months. Read more »
The new rapid spreader variant B 1.1.7 has undergone 23 mutations and may be too much to handle for the available vaccines. Read more »
The US, India, Brazil and Russia are examples of what can go wrong when assumptions drive policies -- not science or data. Read more »
A natural infection may not be enough to protect one for the rest of his/her life -- one needs to take a vaccine to be sure. Read more »
At least 68 candidate vaccines are in various stages of human trials – 38 in phase I, 17 in phase II and 13 in phase III. Read more »
The theory that populations achieve herd immunity when 10-20% get infected is rejected by most epidemiologists who stick to 60-70% threshold for the phenomenon. Read more »
The Modi government cannot claim success in its fight against the coronavirus, when the Indian effort is compared with those of its South Asian neighbours. Read more »
The state definitely needs a revised strategy for the next four weeks -- the government and the public need to act accordingly from now onwards. Read more »
The restart of trials brings a sigh of relief for those awaiting a successful vaccine against Covid-19 and for the volunteers who are part of the experiment. Read more »
Current evidence suggests that pregnant women are at no greater risk of becoming seriously ill than other healthy adults if they develop coronavirus infection. Read more »