Yellow cards should be handed out to players who spit on the field when football resumes, a FIFA council member has said.
The Government has said talks are ongoing to get the Premier League "up and running as soon as possible" as top-flight players begin to return to training grounds.
And those players who spit after returning to the pitch should be punished as they risk spreading Covid-19, FIFA's medical committee chairman Michel D'Hooghe told The Daily Telegraph.
The Belgian doctor acknowledged that spitting "is a common practice in football and it is not very hygienic".
Speaking to the paper, he said: "This is one of the reasons why we have to be very careful before we start again. I am not pessimistic but I am rather sceptical at the moment.
D'Hooghe said football administrators would need to consider punishment via a card due to the need to protect players and staff near the pitch.
It comes as Culture Secretary Oliver Dowden's department leads discussions on how professional sport can restart should restrictions be eased.
Weekly meetings will now be taking place between medical officials from the major sports governing bodies and representatives of Public Health England.
It is understood the Premier League's medical adviser Mark Gillett and the Football Association's head of medicine Charlotte Cowie will be among those involved in the Government discussions.
Dowden, speaking at a parliamentary questions session for the Department of Digital, Culture, Media and Sport, said: "I personally have been in talks with the Premier League with a view to getting football up and running as soon as possible in order to support the whole football community.
"But, of course, any such moves would have to be consistent with public health guidance."
Any resumption of sport could only happen if the Government's five tests are fulfilled, covering such areas as NHS capacity, the availability of testing and PPE and a fall in the death and infection rates.
It is accepted that for the foreseeable future this would be about sporting events happening behind closed doors.
The Premier League's resumption is being kept under constant review, with the clubs set to gather for a shareholders' meeting on Friday.
June 8 has been reported as a potential start date while the PA news agency understands that June 6 could also be an option, but Watford chairman Scott Duxbury says the NHS must come first.
"I feel uncomfortable at this stage talking about football as a narrative with there being stresses on the NHS and that has to be a priority," he told several newspapers.
"Do I want to resume football? Absolutely. As long as it is safe, and the Government says it is absolutely fine.
With a return appearing to edge closer, some Arsenal players were pictured training at their London Colney base on Monday.
Some first-team Brighton players returned for "restricted external access to the training pitches" for individual training, while West Ham have started offering limited access to the training ground.
A West Ham spokesperson said: "Players in apartments or without safe access to green spaces are permitted to individually run around the pitches at Rush Green.
"Access will be limited to one player at a time and all sessions will be in line with Government guidelines around social distancing, with everyone's safety and wellbeing of paramount importance.
"Players will travel alone, conduct their tailored programmes and then return home. No-one will be granted access to the main building."
Tottenham – who have had to remind players of their responsibilities after some were pictured flouting Covid-19 guidelines – announced their squad will be allowed to return to their training ground on Tuesday.
The Premier League is not alone in eyeing a restart. The Bundesliga is due to return next month, subject to clearance from the relevant authorities, with the German top-flight's clubs already back in training.
France's Ligue 1 is targeting a mid-June return with players set to begin returning to training on May 11, while in Italy the prime minister Giuseppe Conte said sports teams could resume group training from May 18.
The Italian football federation (FIGC) will hold a meeting of its executive council on May 8 to present its plans to a government scientific committee.
Meanwhile, UEFA is releasing 236.5million euros (£203million) to national associations affected by the coronavirus pandemic.
European football's governing body confirmed the money is part of the HatTrick funding, with each association will receiving up to 4.3m euros (£3.75m).
Usually this money is released to develop specific and targeted areas, but because of the unprecedented financial impact of the Covid-19 outbreak UEFA will leave it up to its 55 member associations how best to use the money.