However, while viruses are effective, they can introduce problems like toxicity, immune and inflammatory responses, and gene control and targeting issues.

However, other diseases such as influenza, yellow fever or AIDS are caused by pathogenic viruses, which are not usually classified as living organisms and are not, therefore, microorganisms by the strict definition.

However, in some cases, it is required that an object or substance be completely sterile, i. e. devoid of all living entities and viruses.

However, viruses are occasionally referred to as such in the popular press.

However, because sore throats are most commonly caused by viruses, for which antibiotic treatment is unnecessary, such treatment is not usual in the first phase of the disease.

However, some types of fungi and viruses that are harder to inactivate, may not be removed.

However, ELISA testing, related serological tests, and direct electron microscope observation of viruses are more modern methods for detection.

However, many Unix like installations provide file storage services to Microsoft Windows clients, such as through the use of Samba software, and may unintentionally become a repository for viruses stored by users.

However, antibiotics will not treat exacerbations caused by viruses.

However, since boiling does kill most vegetative microbes and viruses, it is useful for reducing viable levels if no better method is available.

However HAs of H5 and H7 pantropic avian viruses subtypes can be cleaved by furin and subtilisin-type enzymes, allowing the virus to grow in other organs than lungs.

However, the Recovery Console for Windows 2000, which as a version of Windows NT played a similar role in removing viruses.

However, a lot can be inferred via various details of the viruses.

However, in computer enthusiast circles in the late 20th century and early 21st, the non-standard viri form ( sometimes even virii ) was well-attested, generally in the context of computer viruses.

However genomes of most plant viruses consist of single stranded RNA which replicates in the cytoplasm of infected cell.

However, the viruses differ in many ways.

However, the usage of this term remains controversial due to the lack of fundamental differences between virophages and classical satellite viruses.

However, like antibiotics, viruses may evolve to resist the antiviral drug.

However, once built, the boot image can be simply copied onto devices, patched within reasonable limits, and remains disposable in case of any problems ( viruses in particular ).

However, there are also cultures of plants, fungi and microbes, including viruses, bacteria and protists.

However, other hosts appear capable of similar coinfection ( e. g., many poultry species ), and direct transmission of avian viruses to humans is possible.

However, deionization does not significantly remove uncharged organic molecules, viruses or bacteria, except by incidental trapping in the resin.

However some plant viruses do not use cap, yet translate efficiently due to cap-independent translation enhancers present in 5 ' and 3 ' untranslated regions of viral mRNA.

However, there are several important differences between retroviruses and viruses from the Caulimoviridae family.

However real inductors have resistance ( due to the resistance of the wire and losses in core material ), and parasitic capacitance ( due to the electric field between the turns of wire which are at slightly different potentials ).

However, parasitic computing on the level of checksums is a demonstration of the concept.

However, when it is appropriate to do so, a typically parasitic relationship is one in which parasite and host interact without lethal harm to the host, and without dramatically reducing the host's reproductive success.

However, unlike many parasitic microbes, Nanoarchaeum has many DNA repair enzymes, as well as everything necessary to carry out DNA replication, transcription, and translation.

However, in his book, V. C. Wynne-Edwards suggests that the primary reason for mortality in grouse population is homeostasis depending largely on food availability and that the ' Grouse disease ', due to the parasitic worm Trichostrongylus tenuis is a mistaken diagnosis of the after effects of social exclusion.

However, investigations have been made into natural enemies of Phasmatodea, such as birds and parasitic wasps ( such as the cleptid wasp Myrmecomimesis ).

However, as speed increases the induced drag becomes much less, but parasitic drag increases because the fluid is flowing faster around protruding objects increasing friction or drag.

However, phylogeny and shared presence of conserved indels in proteins such as RNA polymerase Beta subunit and lysyl-tRNA synthetase indicate that Verrucomicrobia are the closest free-living relatives of these parasitic organisms.

However, the concern with using a diode stems from parasitic currents to neighboring cells, as well as a higher voltage requirement, resulting in higher power consumption.

However, Power MOSFETs have parasitic PN and BJT elements within the structure, which can cause more complex localized failure modes resembling Secondary Breakdown.

However, parasitic cones and fissures are on all sides of the volcano and were the source of large lava flows that descended its lower flanks.

However, their parasitic stages die soon in water.

However, some species are known to be parasitic on sea cucumbers, eating their gonads, and they live in their anal pore.

However it is more common to increase gain using an array of driven loops or a Yagi configuration including parasitic loop elements.

However, some emulsions would never coalesce in normal gravity, while they do under artificial gravity.

However, research using an artificial gut has shown that in the specific case of carotenoids a greater proportion is absorbed from cooked vegetables than from raw vegetables.

However, there is no hard limit to the upper range a virtuoso solo player can achieve using natural and artificial harmonics.

However, in recent years there has been a massive increase in the number of " water-based " artificial turfs.

However, after the banning of cyclamates in the USA and Britain in 1969, saccharin, the only remaining legal artificial sweetener at the time, was found to cause cancer in rats.

However, there are also artificial or man-made islands.

However, an attempt to convert this interesting geometrical construction into a bona-fide model of reality founders on a number of issues, including the fact that the fermions must be introduced in an artificial way ( in nonsupersymmetric models ).

However, using the definition of " light pollution " from some Italian regional bills ( i. e., " every irradiance of artificial light outside competence areas and particularly upward the sky ") only full cutoff design prevents light pollution.

However, the TDK is occasionally criticized for coining words which sound contrived and artificial.

However, this latter usage is seeing increasing application in the real-life use of ( medical ) prostheses — the artificial extension that replaces a missing body part ( e. g., cochlear implants ).

However, new methods of groundwater management such as artificial recharge and injection of surface waters during seasonal wet periods has extended the life of many freshwater aquifers, especially in the United States.

However, it is useful to distinguish between artificial selection that is unintentional or involves manipulating the environment only, and artificial selection that alter internal DNA sequences in the laboratory.

However, this research was faulty because it failed to shield the participants from artificial light.

However, diversity and numbers have been reduced by artificial reduction of river flow ( construction of dams ), over-fishing and water-intense large-scale cultivation of cotton, causing increasing levels of pollution.

However, the field also can consist of all dirt, grass, artificial turf, or, in areas such as New York City, asphalt.

However, the Culture was able-often by bodily moving its artificial worlds out of harm's way-to escape into the vastness of space, while it in turn geared up its productive capabilities for war, eventually starting to turn out untold numbers of extremely advanced warships.

However, T. F. O ' Rahilly believed this to be artificial, stating that " Cú Roí and Dáire are ultimately one and the same ".

However Krishna created an artificial eclipse by using his Sudarshana Chakra to hide the sun, forcing Kauravas to believe the day was over and Arjuna ’ s death was imminent.

However, beaches and property facing the ocean at 8th through 12th Streets have struggled to prevent further loss of this barrier island through various anti-erosion schemes, including extending the 8th Street rock jetty, the installation of an artificial reef and the beach replenishment.

However, recent developments in robotics and artificial intelligence, such as those seen in the Actroid or EveR-1 can only lead to the production of more advanced synthetic partners.

However, this theory has been questioned based on results showing that in brain slices of immature mice incubated in artificial cerebrospinal fluid ( ACSF ) ( modified in a way that takes into account the normal composition of the neuronal milieu in sucklings by adding an energy substrate alternative to glucose, beta-hydroxybutyrate ) GABA action shifts from excitatory to inhibitory mode.

However, while Moore's Paradox has perhaps been seen as a philosophical curiosity by philosophers themselves, Moorean-type sentences are used by logicians, computer scientists, and those working in the artificial intelligence community, as examples of cases in which a knowledge, belief or information system is unsuccessful in updating its knowledge / belief / information store in the light of new or novel information.

However, a political restriction on the numbers of people entering into the competitive market for services of the guild has the effect of raising the return on investments in the guilds training, especially for those already practising, by creating an artificial scarcity of guild members.

However, the chronology of early Irish historical tradition is an artificial attempt by Christian monks to synchronise native traditions with classical and biblical history, and it is possible that the cycle has been chronologically misplaced.