The relationship between microbes and hosts is always harmful for us
Differences between viruses and bacteria are
Viruses can replicate outside the host
Bacteria can live outside the host
Both are correct
Flu epidemic has its origin in
Poor hygienic conditions
Migrating birds
Infected food consumption
To avoid infectious diseases:
Wash your hand
Cover your nose and mouth when you cough or sneeze
Preserve your meal
New infectious diseases can emerge and spread due to:
People worldwide connections
Changes in the environment
None of them