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
actively replicating
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "actively replicating" is correct and usable in written English.
It can be used in contexts related to biology, technology, or any situation where something is being reproduced or duplicated in a dynamic manner. Example: "The virus is actively replicating within the host's cells, leading to an increase in infection."
✓ Grammatically correct
Science
Academia
News & Media
Alternative expressions(1)
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
60 human-written examples
As most common anti-tuberculosis drugs are active against actively replicating bacilli only, these dormant bacilli, or persisters, are considered the main reasons for late relapses.
Science
The application of this technology on both actively replicating and non-replicating Mycobacterium tuberculosis gives us a glimpse of its serine hydrolytic landscape during different stages of metabolic activity.
Science
Our test successfully detected the bactericidal activity of INH which was active against the numerous actively replicating bacilli in our cavitary rabbits over a 14-day time interval.
Science
In humans, the pathogenic cycle of TB consists of three phases [7]: i) an active TB disease phase with actively replicating bacteria; ii) a latent phase wherein bacteria achieves a phenotypically distinct drug resistant state; and iii) a reactivation phase.
Science
It has been shown in patients on long-term HAART that activated CD4+ T cells harbour actively replicating virus and, ex vivo, release virus spontaneously.
Science
The rationale for dampening inflammation has been informed by the efficacy of most anti-mycobacterial drugs against actively replicating Mtb and their limited activity against dormant bacilli.
Science
During the immune active phase when the virus is actively replicating and HBV DNA is high, HBeAg becomes positive and the individual is at a higher risk of transmitting the virus.
Science
ICLs are mostly cytotoxic to cells in the S phase, which are actively replicating, because these aberrant DNA structures inhibit replication by stalling the polymerase.
A single actively replicating eukaryotic cell, for example, may contain as many as 10 million ribosomes.
Encyclopedias
All the seeds had now been sown for Cairns to realize that he might be able to capture an image of an actively replicating E. coli chromosome.
Science & Research
In addition to this mode of infection, KSHV can also infect its target cells through direct physical contact with an infected cell actively replicating the virus.
Expert writing Tips
Best practice
When describing biological processes, use "actively replicating" to emphasize that the replication is currently in progress, not just a potential state.
Common error
Avoid using "actively replicating" when you mean the capacity to replicate. Instead, reserve this phrase for situations where replication is demonstrably occurring.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "actively replicating" functions as a descriptive adjective modifying a noun, typically referring to biological entities like viruses, bacteria, or cells. It specifies that these entities are currently in the process of duplication. Ludwig AI confirms its validity and usability in various contexts.
Frequent in
Science
70%
Academia
20%
News & Media
5%
Less common in
Formal & Business
2%
Encyclopedias
1%
Wiki
2%
Ludwig's WRAP-UP
In summary, "actively replicating" is a grammatically sound phrase predominantly used in scientific and academic contexts to describe entities currently undergoing duplication. Ludwig AI confirms its appropriate usage. Its function is to highlight the ongoing nature of replication, differentiating it from a latent or potential state. While less common in general media, understanding its precise meaning is crucial in scientific discourse. Alternatives include "rapidly reproducing" or "dynamically duplicating", offering subtle nuances depending on the intended emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
actively multiplying
Changes the verb while retaining the sense of ongoing activity.
rapidly reproducing
Focuses on the speed of the replication process.
rapidly proliferating
Combines speed and growth in the replication process.
dynamically duplicating
Emphasizes the ongoing and energetic nature of the duplication.
proliferating intensely
Highlights the abundant growth and multiplication.
vigorously multiplying
Suggests a strong and healthy replication process.
constantly propagating
Implies a continuous spreading and replicating action.
incessantly reproducing
Emphasizes the non-stop and continuous nature of the replication.
busily copying
Indicates a high level of activity in the copying process.
energetically replicating
Highlights the energy and vigor involved in the replication process.
FAQs
How is "actively replicating" used in scientific writing?
In scientific writing, "actively replicating" describes a process where cells, viruses, or genetic material are currently undergoing duplication or multiplication. It emphasizes ongoing replication rather than potential for replication.
What are some alternatives to "actively replicating"?
You can use alternatives like "rapidly reproducing", "dynamically duplicating", or "proliferating intensely" depending on the specific context and the nuance you want to convey.
Is it correct to use "actively replicating" to describe dormant viruses?
No, "actively replicating" should not be used to describe dormant viruses. Dormant viruses are in a latent state and not undergoing replication. The phrase is reserved for entities currently in the process of duplicating.
What's the difference between "actively replicating" and "potentially replicating"?
"Actively replicating" indicates that a process of duplication is currently occurring, while "potentially replicating" suggests that the capability or conditions for replication exist, but the process is not necessarily underway.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested