Had influenza b positive through swab test 8 days back. Dengue,malaria, typhoid (all negative) cbc ok… max symptoms including fever, cough,chest congestion, runny and stuffy nose gone but having joint pain, body aches, heaviness in eyes and temperature of 99 in afternoon around 4…morning & evening (normal temperature) how long does post influenza symptoms stay for? Is 99 a fever? After how long can I get flu shot after being positive of influenza b?