[studentcurious]

hey doctors or to-be-doctors
we fought polio,we fought measles now we are fighting hepatitis,AIDS and bird flu.....but does the chain of these deadly diseases ends here?or do the extinct diseases appear in one form or other.....there may be numerous possiblities in narure....and this is where darwins theory of survival of fittest comes along....but are we one step ahead of time or is this the countermeasure of nature to keep its burden in check?u r open to express your views......no matter what they are