Natal Mercury is the sign where your Moon was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Mercury in Virgo, then your natal house is Virgo (Kanya Rasi) and during transit, Moon forming conjunction (in Virgo), sextile (aspect of 60° which are Cancer and Scorpio in this case), square (aspect of 90° which are Gemini and Sagittarius here), trine (aspect of 120° which are Taurus and Capricorn here), opposition (aspect of 180° which is Pisces here) are discussed in this article.
Conjunction is transiting through same sign as in birth chart, sextile is transiting 3rd or 11th house, trine is transiting 5th or 9th house, opposition is transiting 7th house from natal sign.
Transit MOON conjunct Natal Mercury : Your ideas and decisions will be practical. Efforts to work efficiently and implementation of new ideas are appreciated.
Friends and work group discussions can take place.
Afflicted Mercury can lead to useless talks and idle chats.
Transit MOON Sextile Natal Mercury : Time is good for learning, social interactions and travel.
Expression of views and resolving issues with advice of friends is possible.
If Mercury is aspected or conjunct Saturn in natal chart, you may find it difficult to open up and expect others to contact for advice.
Transit MOON Square Natal Mercury : Your feelings and emotions overwhelm the rational intellect.
You need to share your thoughts with close circle. There will be delay in communications as important details could have been overlooked.
It is not advisable to enter into agreements. Subconscious patterns from childhood can interfere with reasoning, judgement and organisation.
You will be unable to reason or analyse easily and thus, effeciency is reduced at work.
Transit MOON Trine Natal Mercury : Feelings and rational intellect will be balanced. Your intellectual activity and expression will find right platform.
Need to take care of diet, hygiene. Sometimes emotion takes over but logic is never lost.
Right time to express feelings to the loved ones. Those is business of advertising, courier, public communications will do better.
Transit MOON Opposition Natal Mercury : There will be conflicts between emotions and intellect. Unfruitful discussions, emotional disturbances, improper diet cause upsets and colds.
You will be criticised for biased attitude. Logical conclusions are missed.
Avoid signing important documents. Do not travel for work or make any changes at office now. Try to maintain domestic harmony and public relations.