Vaccines are powerful tools for the medical community, however, those with chronic illnesses or are immune-compromised should wait and seek counsel from their physician or Tx team before receiving such medication. There is hope that the newly developing vaccine for Covid-19 infection will benefit and save the lives of many and works through an individual's immune system targeting the virus's RNA and proteins to identify the intruder. A general article about vaccines published by Healthline (pre-pandemic) makes for good reading to determine who will be who should avoid these. Not all the needed information has been released about this new vaccine and caution should temper the hope. Indirectly, most Tx recipients may benefit from lessening the amount of those, who have been exposed, and can transmit the virus.