Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
both two doses of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "both two doses of" is not correct and is redundant in written English.
You can use it when referring to a requirement for two doses of a vaccine or medication, but it should be simplified to avoid redundancy. Example: "To be fully vaccinated, you need both doses of the vaccine."
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
SOD and GSH content exhibited significant decrease (P < 0.05) in their levels of the liver tissue after oral administration of both two doses of BPA for 30 days as compared with the corresponding control group 4.33 and 1.25 U/g tissue, respectively, for SOD and 2.04 and 0.90 μmol/g tissue, respectively, for GSH as shown in Table 1.
Fifty grams of dried seeds of both two doses of FN and UV-B was crushed in a mill and powdered by using a domestic grinder.
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Of the two most recent trials, both large, and both administering two doses of SP, one trial from Mozambique demonstrated a benefit with chemoprevention and one from Uganda did not (five trials, 3961 participants, Analysis 1.6, low quality evidence).
Both of the two doses of honey increased the autonomic activity of alcoholized mice.
The two adults positive for pneumococcal carriage both had received two doses of PPV23.
Science
Hazard ratios (HRs) for both the lower two doses of corticosteroids using competing risk or Cox proportional hazards regression analyses were similar.
Science
Both were immunized with two doses of the vaccine and responded with a satisfactory immune response well in line with a recent report of satisfactory antibody response in RA patients on tocilizumab [ 20].
In addition, 100% of seroprotection rates (40 HI titer is considered as the level of seroprotection by CHMP criteria) were observed in both Groups 2 and 3 after two doses of immunization.
Science
The proportion of patients with positive immune response (seroconversion) among SpA patients on anti-TNF as monotherapy was as good as that reported in healthy controls after two doses of vaccine, both in patients <60 years old and those older than 60 years [ 2- 5].
Vick gave Saints fans two doses of heartbreak yesterday, both in the fourth quarter.
News & Media
It took two doses of naloxone to revive her.
News & Media
Expert writing Tips
Best practice
Avoid using the redundant phrase "both two doses of". Instead, choose either "two doses of" or "both doses" for clarity and conciseness in your writing.
Common error
Don't add unnecessary words like "both" when "two" already indicates a quantity. Redundancy can make your writing sound less professional and more verbose.
Source & Trust
84%
Authority and reliability
2.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both two doses of" functions as a determiner phrase, specifying a quantity. However, according to Ludwig AI, it contains a redundancy, as "both" inherently implies a quantity of two.
Frequent in
Science
66%
News & Media
22%
Formal & Business
11%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "both two doses of" is generally considered grammatically incorrect due to redundancy. The word "both" already implies a quantity of two, making the inclusion of "two" unnecessary. While some examples can be found, Ludwig AI identifies the phrase as redundant and suggests using either "two doses of" or "both doses" instead. This will ensure clarity and conciseness in your writing, maintaining a professional and grammatically sound tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
two doses of
Removes "both", correcting the redundancy while maintaining the original meaning.
both doses
Shortens the phrase by omitting "two of", assuming the context implies two doses.
the two doses
Adds a definite article for specificity, implying a pre-defined set of two doses.
a pair of doses
Replaces "two" with "pair", offering a slightly more descriptive alternative.
double dose
Uses a compound noun to indicate two doses taken together, which changes the meaning slightly.
dual dose
Similar to "double dose", this option means two doses as a set.
the first two doses
Refers to the initial two doses in a longer treatment series.
the initial two doses
Similar to "the first two doses", specifically highlights the first doses.
subsequent two doses
Referring to the following two doses.
second and third doses
Refers to two doses in the middle of the set.
FAQs
What is the correct way to say "both two doses of"?
The phrase "both two doses of" is redundant. Use either "two doses of" or "both doses" instead.
Is it grammatically correct to use "both two" together?
No, it is not grammatically correct. "Both" already implies two, so using "two" again is redundant. Choose one or the other.
When should I use "both doses" instead of "two doses of"?
Use "both doses" when the context already makes it clear that you are referring to two specific doses. Use "two doses of" when you need to explicitly state the quantity.
Are there situations where "both two doses of" might be acceptable?
While technically incorrect, "both two doses of" might appear in informal speech. However, it should be avoided in formal writing. Always prefer the more concise and grammatically correct options: "two doses of" or "both doses".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
2.4/5
Expert rating
Real-world application tested