Obvious is the neutral workmanlike opposite of subtle. In reality, according to my desk copy of Roget's Thesaurus, the true antonym is unsubtle. Written Aug 16, 2015 Â· View Upvotes.
Without antibiotics, you may be contagious for two or three weeks; most people who take them, however, are no longer contagious 24 hours after the start of treatment. Other people also experience relief from the symptoms of strep once they've started taking antibiotics.
How contagious is the flu? You may be contagious one day before developing flu symptoms and five to seven days after symptoms present. This period of time can be extended for kids or people with weakened immune systems. Tips to defend yourself against influenza: Get the flu shot before the end of October; Practice good hand hygiene; Exercise!