FORM 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer

                    Pursuant to Rule 13s - 16 or 15d - 16 of
                      the Securities Exchange Act of 1934

                           For the month of March, 2006


                                  Acambis plc
                (Translation of registrant's name into English)

                           Peterhouse Technology Park
                               100 Fulbourn Road
                               Cambridge CB1 9PT
                                    England

                    (address of principal executive offices)

    (Indicate by check mark whether the registrant files or will file annual
                 reports under cover of Form 20-F or Form 40-F

                         Forms 20-F X     Form 40-F

  Indicate by check mark whether the registrant by furnishing the information
     contained in this Form also thereby furnishing the information to the
                Commission pursuant to Rule 12g3-2(b) under the
                       Securities Exchange Act of 1934).

                              Yes       No X

 (if "Yes" is marked, indicate below the file number assigned to the registrant
                   in connection with Rule 12g3-2(b): 82- ).





Enclosure:

1. Notice of Results
2. Director/PDMR Shareholding
3. Director/PDMR Shareholding




Notice of results

Cambridge,  UK and  Cambridge,  Massachusetts  - 28 February  2006 - Acambis plc
("Acambis") (LSE: ACM, NASDAQ:  ACAM) will announce its preliminary  results for
the year ended 31 December 2005 on Thursday, 9 March 2006.

The results  announcement  will be released at 7.00 am GMT. An analyst  briefing
will be held at 9.00 am GMT at The Brewery, Chiswell Street, London EC1 and will
also be  accessible  via a conference  call.  For details,  contact Mo Noonan at
Financial  Dynamics on +44 (0) 20 7269 7116. An instant  replay of the call will
be available until Thursday,  16 March 2006 on telephone  numbers UK: +44 (0) 20
7365 8427 and US: + 1 (617) 801 6888. The pin code is 38146945.

An audio  webcast of the call will also be  available  via  Acambis'  website at
www.acambis.com. The webcast replay will be available until 16 March 2006.

                                    -ends-

Enquiries:

Acambis plc

Lyndsay Wright,
VP Communications and Investor Relations:         Tel +44 (0) 1223 275 300

Financial Dynamics
Mo Noonan:                                        Tel +44 (0) 20 7269 7116

About Acambis

Acambis is a leading  developer  of  vaccines  to prevent  and treat  infectious
diseases.  Recognised  internationally  as  the  leading  producer  of  smallpox
vaccines,  Acambis is developing an investigational smallpox vaccine,  ACAM2000,
and is manufacturing  emergency-use  stockpiles of this investigational  vaccine
for the US  Government  and  other  governments  around  the  world.  It is also
developing an attenuated smallpox vaccine,  MVA3000, under contracts with the US
National  Institutes of Health.  Acambis'  US-based  subsidiary  Berna  Products
Corporation markets Vivotif(R),  the world's only licensed oral typhoid vaccine,
in  North   America.   Acambis'   investigational   vaccine   against   Japanese
encephalitis, ChimeriVax-JE, is undergoing Phase 3 clinical testing. It also has
the most advanced investigational vaccine against the West Nile virus, which has
spread to 48 US States in the last six years, and a vaccine against  Clostridium
difficile bacteria, a leading cause of hospital-acquired infections.

Acambis is based in Cambridge, UK and Cambridge,  Massachusetts, US. Its primary
listing is on the London Stock  Exchange  (ACM) and its shares are listed in the
form of American  Depositary  Receipts on NASDAQ  (ACAM).  More  information  is
available at www.acambis.com.

"Safe Harbor"  statement under the Private  Securities  Litigation Reform Act of
1995:

The  statements  in  this  news  release  that  are  not  historical  facts  are
forward-looking  statements that involve risks and uncertainties,  including the
timing and results of clinical trials,  product  development,  manufacturing and
commercialisation risks, the risks of satisfying the regulatory approval process
in a timely manner, the need for and the availability of additional capital. For
a discussion of these and other risks and uncertainties see "Risk management" in
the  Company's  2004  Annual  Report and "Risk  factors"  in its Form  20-F,  in
addition to those detailed on the Company's website and in the Company's filings
made with the  Securities  and  Exchange  Commission  from  time to time.  These
forward-looking  statements are based on estimates and  assumptions  made by the
management of Acambis and are believed to be  reasonable,  though are inherently
uncertain and difficult to predict.  Actual  results or experience  could differ
materially from the forward-looking statements.







Increase in Directors' shareholdings


Cambridge, UK - 27 March 2006 - Acambis plc ("Acambis") (LSE: ACM, NASDAQ: ACAM)
announces a number of transactions which took place on 24 March 2006 involving
Directors' shareholdings in Acambis.


David Lawrence, Chief Financial Officer, purchased a total of 7,500 shares at
196.5p per share for himself and on behalf of certain family members. After this
transaction, the shareholding in Acambis held by Mr Lawrence and on behalf of
his family (being connected persons) was 8,300 shares, representing
approximately 0.01% of Acambis' issued share capital.


Dr Peter Fellner, Non-executive Director, purchased 14,000 shares at 196.5p per
share. After this transaction, the shareholding in Acambis held by Dr Fellner
was 14,000 shares, representing approximately 0.01% of Acambis' issued share
capital.



Enquiries:


Acambis plc

Elizabeth Brown, Company Secretary                  Tel: +44 (0) 1223 275 300

Lyndsay Wright,
VP, Communications and Investor Relations




                                     -ends-



About Acambis
Acambis is a leading  developer  of  vaccines  to prevent  and treat  infectious
diseases.  Recognised  internationally  as  the  leading  producer  of  smallpox
vaccines,  Acambis is developing an investigational smallpox vaccine,  ACAM2000,
and is manufacturing  emergency-use  stockpiles of this investigational  vaccine
for the US  Government  and  other  governments  around  the  world.  It is also
developing an attenuated smallpox vaccine,  MVA3000, under contracts with the US
National  Institutes of Health.  Acambis'  US-based  subsidiary  Berna  Products
Corporation markets Vivotif(R),  the world's only licensed oral typhoid vaccine,
in  North   America.   Acambis'   investigational   vaccine   against   Japanese
encephalitis, ChimeriVax-JE, is undergoing Phase 3 clinical testing. It also has
the most advanced investigational vaccine against the West Nile virus, which has
spread to 48 US States in the last six years, and a vaccine against  Clostridium
difficile bacteria, a leading cause of hospital-acquired infections.


Acambis is based in Cambridge, UK and Cambridge,  Massachusetts, US. Its primary
listing is on the London Stock  Exchange  (ACM) and its shares are listed in the
form of American  Depositary  Receipts on NASDAQ  (ACAM).  More  information  is
available at www.acambis.com.


"Safe Harbor"  statement under the Private  Securities  Litigation Reform Act of
1995:

The  statements  in  this  news  release  that  are  not  historical  facts  are
forward-looking  statements that involve risks and uncertainties,  including the
timing and results of clinical trials,  product  development,  manufacturing and
commercialisation risks, the risks of satisfying the regulatory approval process
in a timely manner, the need for and the availability of additional capital. For
a discussion of these and other risks and uncertainties see "Risk management" in
the  Company's  2004  Annual  Report and "Risk  factors"  in its Form  20-F,  in
addition to those detailed on the Company's website and in the Company's filings
made with the  Securities  and  Exchange  Commission  from  time to time.  These
forward-looking  statements are based on estimates and  assumptions  made by the
management of Acambis and are believed to be  reasonable,  though are inherently
uncertain and difficult to predict.  Actual  results or experience  could differ
materially from the forward-looking statements.





Directors' interests in shares


Cambridge, UK - 28 March 2006 - Acambis plc ("Acambis") (LSE: ACM, NASDAQ: ACAM)
announces that, on 27 March 2006, the following grants of options under the
Acambis 1999 Share Option Scheme and awards under the Acambis Long-term
Incentive Plan ("LTIP") were made to the three Executive Directors:




                                                                       Total shares over which
Director                         Share options       LTIPs               options held (note 1)

                                                                            
Gordon Cameron                         183,502      91,751                           1,006,235

David Lawrence                         100,000      50,000                             448,630

Dr Thomas Monath                        99,925      49,962                             593,466


Both the share  options and LTIPs were  granted over  ordinary  10p shares.  The
share options were granted at exercise  price of 197p per share.  On exercise of
the LTIP  awards,  a nominal  GBP1.00  would be  payable by each  Director.  The
exercise periods applicable are 27 March 2009 to 26 March 2016 and 27 March 2009
to 26  September  2009 for the  options  and LTIPs  respectively.  No amount was
payable by the Directors on the grant of these share options or LTIPs.


Note 1: The total shares over which options are held (share options and LTIPs)
        following all of the above transactions detailed within this news
        release.


Enquiries:


Acambis plc

Elizabeth Brown, Company Secretary             Tel: +44 (0) 1223 275 300

Lyndsay Wright, VP, Communications and Investor Relations

                                     -ends-



About Acambis

Acambis is a leading  developer  of  vaccines  to prevent  and treat  infectious
diseases.  Recognised  internationally  as  the  leading  producer  of  smallpox
vaccines,  Acambis is developing an investigational smallpox vaccine,  ACAM2000,
and is manufacturing  emergency-use  stockpiles of this investigational  vaccine
for the US  Government  and  other  governments  around  the  world.  It is also
developing an attenuated smallpox vaccine,  MVA3000, under contracts with the US
National  Institutes of Health.  Acambis'  US-based  subsidiary  Berna  Products
Corporation markets Vivotif(R),  the world's only licensed oral typhoid vaccine,
in  North   America.   Acambis'   investigational   vaccine   against   Japanese
encephalitis, ChimeriVax-JE, is undergoing Phase 3 clinical testing. It also has
the most advanced investigational vaccine against the West Nile virus, which has
spread to 48 US States in the last six years, and a vaccine against  Clostridium
difficile bacteria, a leading cause of hospital-acquired infections.


Acambis is based in Cambridge, UK and Cambridge,  Massachusetts, US. Its primary
listing is on the London Stock  Exchange  (ACM) and its shares are listed in the
form of American  Depositary  Receipts on NASDAQ  (ACAM).  More  information  is
available at www.acambis.com.


"Safe Harbor" statement under the Private Securities Litigation Reform Act of
1995:

The  statements  in  this  news  release  that  are  not  historical  facts  are
forward-looking  statements that involve risks and uncertainties,  including the
timing and results of clinical trials,  product  development,  manufacturing and
commercialisation risks, the risks of satisfying the regulatory approval process
in a timely manner, the need for and the availability of additional capital. For
a discussion of these and other risks and uncertainties see "Risk management" in
the  Company's  2004  Annual  Report and "Risk  factors"  in its Form  20-F,  in
addition to those detailed on the Company's website and in the Company's filings
made with the  Securities  and  Exchange  Commission  from  time to time.  These
forward-looking  statements are based on estimates and  assumptions  made by the
management of Acambis and are believed to be  reasonable,  though are inherently
uncertain and difficult to predict.  Actual  results or experience  could differ
materially from the forward-looking statements.





                                      SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant Peptide Therapeutics Group has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.



Date: 31 March, 2006                          ACAMBIS PLC





                                        By:  /s/ Lyndsay Wright
                                             Name: Lyndsay Wright
                                             Title: VP, Communications and IR.