Guruji B.K.S. Iyengar gave this sequence to promote immunity when RIMYI was closed during the 2009 swine flu pandemic. 

Click here for a printable illustrated version:
https://drive.google.com/file/d/19DzO2BXRj-pUJTXqOXOqVkmzp9Lh5R-o/view

MORNING PRACTICE:
Uttanasana (support head) 5 min
Adho Mukha Svanasana (support head) 5 min
Prasarita Padottanasana (support head if not on floor) 3 min Sirsasana 5 min
Sirsasana cycle (Light on Yoga plates #202-218) 5 min
Viparita Dandasana (support head) 5 min
Sarvangasana 10 min
Halasana 5 min
Sarvangasana Cycle 5 min ( Light on Yoga plates #234-271)
Setu Bandha Sarvangasana (supported) 5 min
Viparita Karani (at wall) 5 min
Savasana (w/ Ujjayi or Viloma pranayama) 10 min

EVENING PRACTICE:
Sirsasana 10 min
Sarvangasana 10 min
Halasana 5 min or Setu Bandha Sarvangasana (supported) 10 min

Savasana (w/ Ujjayi or Viloma pranayama) 10 min