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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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both two doses of

Grammar usage guide and real-world examples

USAGE 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

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.

Hazard ratios (HRs) for both the lower two doses of corticosteroids using competing risk or Cox proportional hazards regression analyses were similar.

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

Plosone

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.

It took two doses of naloxone to revive her.

News & Media

The Guardian
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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Rare

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.

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".

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Source & Trust

84%

Authority and reliability

2.4/5

Expert rating

Real-world application tested

Most frequent sentences: