regulates regulates programmed cell death regulation of programmed cell death modulation by symbiont of host process modulation by symbiont of host cellular process modulation by symbiont of host programmed cell death GO:0052040 modulation of host PCD biological_process modulation by symbiont of host non-apoptotic programmed cell death GO:0052152 Any process in which an organism modulates the frequency, rate or extent of programmed cell death in the host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.