Welcome to HCM
After going through history,due to infection you suffered typhoid
Recovery from typhoid may take 2-3 weeks to get over this weakness this period is convalescence.
Please take care of water which must be potable as typhoid is water born disease and take good healthy diet which will help in recovery.
Sometimes such weakness is because of self imposed diet restrictions by patients so kindly discuss with treating doctor.
Your doctor can give some vitamin and proteins
suppliments to hasten the process so please consult your teating Physician.
Take a regular walk in morning which will also help in gaining strength.
Good Luck to you