The City centre-back has not recovered from the virus which has forced him to miss City's last three matches and so misses the European 2011 qualifier against Italy at Swansea City's Liberty Stadium on Friday evening.
However, Nyatanga is on the mend and could be a surprise inclusion when John Toshack name's his Wales' senior squad as he would probably have recovered in time for the 2010 World Cup qualifier against Russia at The Millenium Stadium, Cardiff on Wednesday, 9th September.
City will be represented by two players in Friday night's Under 21 international as both Christian Ribeiro and James Wilson (currently on loan at Brentford) are amongst the players named in Brian Flynn's squad.
Wales U21 Squad: Cornell, Maxwell; Blake, Bloom, Eardley, Morris, Ribeiro, Richards, Taylor, Wilson, Matthews; Bradley, Collison, King, MacDonald, Partington, Ramsey; Church, Evans, Thomas, Vokes, Williams.
However, Nyatanga is on the mend and could be a surprise inclusion when John Toshack name's his Wales' senior squad as he would probably have recovered in time for the 2010 World Cup qualifier against Russia at The Millenium Stadium, Cardiff on Wednesday, 9th September.
City will be represented by two players in Friday night's Under 21 international as both Christian Ribeiro and James Wilson (currently on loan at Brentford) are amongst the players named in Brian Flynn's squad.
Wales U21 Squad: Cornell, Maxwell; Blake, Bloom, Eardley, Morris, Ribeiro, Richards, Taylor, Wilson, Matthews; Bradley, Collison, King, MacDonald, Partington, Ramsey; Church, Evans, Thomas, Vokes, Williams.