today the cdc shortened the original six month integral between the pfizer vaccine second dose in booster shot to five months the change the fda authorized yesterday. however the cdc is waiting to hear from independent vaccine advisors tomorrow before acting on the fda s authorization of pfizer boosters for children ages 12 through 156789 the agency is also expected to issue guidance on testing as part of its shortened five day isolation and quarantine peertdz. but former surgeon general jerome adams says highly sensitive pcr tests can produce a positive result for weeks after recovery and rapid tests are in short supply. you should get a rapid test if you can, the problem is that the administration has not yet delivered the rapid tests so they didn t want to put out a policy telling you to do something which then reflected blame back on them. in florida, where the positivity rate exceeds 26 %, the state s top health official questions the value of testing people who are asymptom