What is the term for the molecule on the surface of a virus that is recognized
by the immune system?
A. Pathogen
B. Antibody
C. Lymphocyte
D. Antigen

option a and d is the correct answer

i hope this u

plz mark as the brainliest answer

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.