Oseltamivir (Tamiflu), an antiviral drugprescribed for influenza, inhibits theenzyme neuraminidase. Explain howthis drug could prevent infection insomeone exposed to the flu or couldshorten the course of flu in an infectedpatient (the reasons for which it is prescribed).

Well-known compound involved in appetitis control, and formed from tryptophan predominantly by gut microbes is: leukotriene epinephrine serotonin nicotinic acid prostaglandine

What is the objective of the journal below https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7824784/ Riboswitches as Drug Targets for Antibiotics Vipul Panchal* and Ruth Brenk*

What are the two groups ofdefense mechanisms of thebody against foreign orharmful agents? What is thedifference between them?

SITUATION:Mr Harry Ng, an 80-year-old male, seemingly healthy and with no coronavirus symptoms, presented to thelocal hospital three (3) days ago after a close contact with a relative diagnosed with COVID-19. Underroutine protocols, as the patient was asymptomatic on admission, the patient would not be given a ChestX-Ray. However, as he has now become symptomatic a Chest X-Ray (Figure 1) has been completed.This morning Mr Ng informs you that he could not sleep last night as he was coughing the whole night. Healso informs you that he is feeling extremely tired and cold. You notice that Mr Ng is shivering and has aproductive cough. Mr Ng also complains of pain in his right chest that intensifies with inspiration.BACKGROUNDMr Harry Ng has a history of hypertension for the last 20 years, controlled with medication. He hashyperlipidaemia for the last 10 years and a history of atrial fibrillation which was reverted six (6) monthsago. Mr Ng has no past surgical history. Mr Ng used to smoke…