Recent studies suggest that those recovering from Covid-19 may have antibodies for only a few months, a signal that long-term immunity is difficult to achieve, but several scientists dispel the gloom and say it is too soon to determine if such individuals can contract the disease again.
Some special cells of the immune system may still offer protection against the disease, the scientists said as questions swirl on whether people who have recovered from Covid-19 can get it again -- even those whose antibodies dwindle progressively as the days and weeks pass.
It is too soon to say whether people