In this shiur we discuss: 1) The status of vessels if a non-Jew used them for cooking. 2) May a non-Jewish aid cook for an elderly patient. 3) May an avel attend a Purim seudah. 4) The proper bracha on different aromas (roses, rosemary etc.). 5) Tevilas Keilim on meat thermometer. 6) Saying the prayer of Aleinu with the tzibbur. 7) Answering Amen to brachos said over zoom.