The phrase "availability of a host" is correct and usable in written English.
It can be used in contexts related to computing, networking, or any situation where the presence or accessibility of a host is relevant.
Example: "The availability of a host is crucial for ensuring that the server can handle incoming requests without downtime."
Alternatives: "host accessibility" or "host presence".
Of course, I haven't even mentioned the availability of a host of other possibilities through YouTube and other online sources.
The evolution of phage that could utilize or tolerate an amino acid analogue required the availability of a host that could grow on the analogue.
For female patients with rheumatoid arthritis, the availability of a host of new disease modifying antirheumatic drugs has raised important questions about fetal safety if a woman becomes pregnant while she is being treated.
For female patients with rheumatoid arthritis (RA), the availability of a host of new disease modifying antirheumatic drugs (DMARDs) has raised important questions about fetal safety if a woman becomes pregnant while she is being treated.
The life cycle of RKN varies from three weeks to several months depending on environmental factors such as temperature, moisture, and availability of a suitable host [ 29].
In light of these potential limitations to host blood meal identification, field-based studies will remain necessary in order to determine if host blood meal distributions are consistent with the availability of hosts and host-vector interactions.
The availability of an alternative expression host for this important antigen will help avoid artifactual false positive tests of patient immune response due to reaction against expression-host-specific contaminants.
There is plenty of evidence that nutrient availability can affect the ability of a host to control invading pathogens [9] [11].
Host institution selection is done competitively based on the number of institutions applying to host Fellows, the availability of a Fellow who matches the interests of the host institution, and the proposed terms of reference for the Fellow.
Second, virus population size naturally tends to fluctuate, sometimes by several orders of magnitude [ 19- 21]; e.g., virus population size will necessarily vary due to changing availability of susceptible host individuals, occurrence of transmission bottlenecks when initiating a new infection, and immunity-related fluctuations in within-host viral load.
Simulated moth landings were assumed to be dependent in part on the availability of suitable host tree species.
