Covid-19 roundup: No­vavax de­lays US, Mex­i­co vac­cine tri­al (again); In­dia in­ves­ti­gates re­port­ed side ef­fects in As­traZeneca study

No­vavax is de­lay­ing the start of its US/Mex­i­co Phase III tri­al a sec­ond time, even as it com­pletes en­roll­ment for two oth­er stud­ies of its Covid-19 vac­cine.

Hav­ing pre­vi­ous­ly pushed the tri­al launch from Oc­to­ber to the end of No­vem­ber, No­vavax now says the piv­otal tri­al that will sup­port reg­u­la­to­ry clear­ance in the US and be­yond will be­gin “in the com­ing weeks.” Man­u­fac­tur­ing is­sues, which were to blame for the last de­lay, ap­pear to be in play in this lat­est holdup as well.

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