The phrase "a first dose" is correct and usable in written English.
It can be used when referring to the initial administration of a medication or vaccine.
Example: "After receiving a first dose of the vaccine, patients are advised to monitor for any side effects."
Alternatives: "an initial dose" or "the primary dose".
This park may be best for a family looking for a first dose of a water park.
A first dose should be given to every accident victim, followed by two more doses several months later.
By their second birthday, 92.3% of children received a first dose of the MMR vaccine, down from 92.7% the year before, data from the Health and Social Care Information Centre (HSCIC) for 2014-15 shows.
The fact that more girls and boys get a first dose of the vaccine than complete the series supports the idea that those barriers are more important than physicians and researchers may realize.
Apart from immediate parenteral administration of a first dose of antibiotic as soon as infectious purpura fulminans is suspected, there is no recommended treatment specific to infectious purpura fulminans compared with other septic shock etiologies in children strong agreement).
In trial 2, the females were injected LHRHA3 twice: with a first dose of 0.8 μg/kg and a second dose of 2 μg/kg, at an interval of 10 h, whereas the males were still injected once.
Objectives: To measure the proportion of trauma patients deemed to be at risk of haemorrhage (as evidenced by the administration of a first dose of tranexamic acid) that correctly received the second dose of tranexamic acid.
In a first dose response experiments, post-training intra-CA1 injections of phaclofen did not change while baclofen (0.1 μg/mouse) impaired animals' performance in this task, suggesting a modulation of storage of information.
In this randomized, double-blind, placebo-controlled study, subjects with at least moderate disability (Migraine Disability Assessment Score [MIDAS] ≥11) were randomized 1 1 1 to a first dose of lasmiditan treatment (200 mg or 100 mg) or placebo within 4 hours of onset of a migraine attack (moderate severity or worse and not improving).
After a first dose, the highest GMT and GMA results were observed in the 20 µg group but differences with the placebo group were not statistically significant.
Acceptance of a first dose was primarily predicted by receipt of a catch-up invitation, and no attitudinal factors were implicated in this behaviour.
