A) Infection by the same virus again B) Infection by another strain of dengue virus C) Infection in immunocompromised Answer (Select an option above to get the answer):
A) Vitamin A deficiency does not occur for a year or so after stopping its intake B) Zinc deficiency - Pulmonary fibrosis C) Selenium deficiency - Cardiomyopathy D) High Calcium in diet reduces iron absorption Answer (Select an option above to get the answer):